290905020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:551

約数の個数: 288

約数和(自身を含む): 1109541888

約数和(自身を除く): 818636868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 243, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 459, 476, 486, 503, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 918, 945, 972, 1006, 1020, 1071, 1134, 1190, 1215, 1260, 1377, 1428, 1509, 1530, 1620, 1701, 1785, 1836, 1890, 2012, 2142, 2268, 2295, 2380, 2430, 2515, 2754, 2835, 3018, 3060, 3213, 3402, 3521, 3570, 3780, 4131, 4284, 4527, 4590, 4860, 5030, 5355, 5508, 5670, 6036, 6426, 6804, 6885, 7042, 7140, 7545, 8262, 8505, 8551, 9054, 9180, 9639, 10060, 10563, 10710, 11340, 12852, 13581, 13770, 14084, 15090, 16065, 16524, 17010, 17102, 17605, 18108, 19278, 20655, 21126, 21420, 22635, 25653, 27162, 27540, 28917, 30180, 31689, 32130, 34020, 34204, 35210, 38556, 40743, 41310, 42252, 42755, 45270, 48195, 51306, 52815, 54324, 57834, 59857, 63378, 64260, 67905, 70420, 76959, 81486, 82620, 85510, 90540, 95067, 96390, 102612, 105630, 115668, 119714, 122229, 126756, 128265, 135810, 144585, 153918, 158445, 162972, 171020, 179571, 190134, 192780, 203715, 211260, 230877, 239428, 244458, 256530, 271620, 285201, 289170, 299285, 307836, 316890, 359142, 380268, 384795, 407430, 461754, 475335, 488916, 513060, 538713, 570402, 578340, 598570, 611145, 633780, 692631, 718284, 769590, 814860, 855603, 897855, 923508, 950670, 1077426, 1140804, 1154385, 1197140, 1222290, 1385262, 1426005, 1539180, 1616139, 1711206, 1795710, 1901340, 2077893, 2154852, 2308770, 2444580, 2693565, 2770524, 2852010, 3232278, 3422412, 3463155, 3591420, 4155786, 4278015, 4617540, 4848417, 5387130, 5704020, 6464556, 6926310, 8080695, 8311572, 8556030, 9696834, 10389465, 10774260, 13852620, 14545251, 16161390, 17112060, 19393668, 20778930, 24242085, 29090502, 32322780, 41557860, 48484170, 58181004, 72726255, 96968340, 145452510, 290905020]

約数ペア:

[(1, 290905020), (2, 145452510), (3, 96968340), (4, 72726255), (5, 58181004), (6, 48484170), (7, 41557860), (9, 32322780), (10, 29090502), (12, 24242085), (14, 20778930), (15, 19393668), (17, 17112060), (18, 16161390), (20, 14545251), (21, 13852620), (27, 10774260), (28, 10389465), (30, 9696834), (34, 8556030), (35, 8311572), (36, 8080695), (42, 6926310), (45, 6464556), (51, 5704020), (54, 5387130), (60, 4848417), (63, 4617540), (68, 4278015), (70, 4155786), (81, 3591420), (84, 3463155), (85, 3422412), (90, 3232278), (102, 2852010), (105, 2770524), (108, 2693565), (119, 2444580), (126, 2308770), (135, 2154852), (140, 2077893), (153, 1901340), (162, 1795710), (170, 1711206), (180, 1616139), (189, 1539180), (204, 1426005), (210, 1385262), (238, 1222290), (243, 1197140), (252, 1154385), (255, 1140804), (270, 1077426), (306, 950670), (315, 923508), (324, 897855), (340, 855603), (357, 814860), (378, 769590), (405, 718284), (420, 692631), (459, 633780), (476, 611145), (486, 598570), (503, 578340), (510, 570402), (540, 538713), (567, 513060), (595, 488916), (612, 475335), (630, 461754), (714, 407430), (756, 384795), (765, 380268), (810, 359142), (918, 316890), (945, 307836), (972, 299285), (1006, 289170), (1020, 285201), (1071, 271620), (1134, 256530), (1190, 244458), (1215, 239428), (1260, 230877), (1377, 211260), (1428, 203715), (1509, 192780), (1530, 190134), (1620, 179571), (1701, 171020), (1785, 162972), (1836, 158445), (1890, 153918), (2012, 144585), (2142, 135810), (2268, 128265), (2295, 126756), (2380, 122229), (2430, 119714), (2515, 115668), (2754, 105630), (2835, 102612), (3018, 96390), (3060, 95067), (3213, 90540), (3402, 85510), (3521, 82620), (3570, 81486), (3780, 76959), (4131, 70420), (4284, 67905), (4527, 64260), (4590, 63378), (4860, 59857), (5030, 57834), (5355, 54324), (5508, 52815), (5670, 51306), (6036, 48195), (6426, 45270), (6804, 42755), (6885, 42252), (7042, 41310), (7140, 40743), (7545, 38556), (8262, 35210), (8505, 34204), (8551, 34020), (9054, 32130), (9180, 31689), (9639, 30180), (10060, 28917), (10563, 27540), (10710, 27162), (11340, 25653), (12852, 22635), (13581, 21420), (13770, 21126), (14084, 20655), (15090, 19278), (16065, 18108), (16524, 17605), (17010, 17102)]