404985420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 240

約数和(自身を含む): 1475324928

約数和(自身を除く): 1070339508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 105, 108, 126, 135, 140, 142, 162, 180, 189, 210, 213, 252, 270, 284, 315, 324, 355, 378, 405, 420, 426, 497, 503, 540, 567, 630, 639, 710, 756, 810, 852, 945, 994, 1006, 1065, 1134, 1260, 1278, 1420, 1491, 1509, 1620, 1890, 1917, 1988, 2012, 2130, 2268, 2485, 2515, 2556, 2835, 2982, 3018, 3195, 3521, 3780, 3834, 4260, 4473, 4527, 4970, 5030, 5670, 5751, 5964, 6036, 6390, 7042, 7455, 7545, 7668, 8946, 9054, 9585, 9940, 10060, 10563, 11340, 11502, 12780, 13419, 13581, 14084, 14910, 15090, 17605, 17892, 18108, 19170, 21126, 22365, 22635, 23004, 26838, 27162, 28755, 29820, 30180, 31689, 35210, 35713, 38340, 40257, 40743, 42252, 44730, 45270, 52815, 53676, 54324, 57510, 63378, 67095, 67905, 70420, 71426, 80514, 81486, 89460, 90540, 95067, 105630, 107139, 115020, 126756, 134190, 135810, 142852, 158445, 161028, 162972, 178565, 190134, 201285, 203715, 211260, 214278, 249991, 268380, 271620, 285201, 316890, 321417, 357130, 380268, 402570, 407430, 428556, 475335, 499982, 535695, 570402, 633780, 642834, 714260, 749973, 805140, 814860, 950670, 964251, 999964, 1071390, 1140804, 1249955, 1285668, 1426005, 1499946, 1607085, 1901340, 1928502, 2142780, 2249919, 2499910, 2852010, 2892753, 2999892, 3214170, 3749865, 3857004, 4499838, 4821255, 4999820, 5704020, 5785506, 6428340, 6749757, 7499730, 8999676, 9642510, 11249595, 11571012, 13499514, 14463765, 14999460, 19285020, 20249271, 22499190, 26999028, 28927530, 33748785, 40498542, 44998380, 57855060, 67497570, 80997084, 101246355, 134995140, 202492710, 404985420]

約数ペア:

[(1, 404985420), (2, 202492710), (3, 134995140), (4, 101246355), (5, 80997084), (6, 67497570), (7, 57855060), (9, 44998380), (10, 40498542), (12, 33748785), (14, 28927530), (15, 26999028), (18, 22499190), (20, 20249271), (21, 19285020), (27, 14999460), (28, 14463765), (30, 13499514), (35, 11571012), (36, 11249595), (42, 9642510), (45, 8999676), (54, 7499730), (60, 6749757), (63, 6428340), (70, 5785506), (71, 5704020), (81, 4999820), (84, 4821255), (90, 4499838), (105, 3857004), (108, 3749865), (126, 3214170), (135, 2999892), (140, 2892753), (142, 2852010), (162, 2499910), (180, 2249919), (189, 2142780), (210, 1928502), (213, 1901340), (252, 1607085), (270, 1499946), (284, 1426005), (315, 1285668), (324, 1249955), (355, 1140804), (378, 1071390), (405, 999964), (420, 964251), (426, 950670), (497, 814860), (503, 805140), (540, 749973), (567, 714260), (630, 642834), (639, 633780), (710, 570402), (756, 535695), (810, 499982), (852, 475335), (945, 428556), (994, 407430), (1006, 402570), (1065, 380268), (1134, 357130), (1260, 321417), (1278, 316890), (1420, 285201), (1491, 271620), (1509, 268380), (1620, 249991), (1890, 214278), (1917, 211260), (1988, 203715), (2012, 201285), (2130, 190134), (2268, 178565), (2485, 162972), (2515, 161028), (2556, 158445), (2835, 142852), (2982, 135810), (3018, 134190), (3195, 126756), (3521, 115020), (3780, 107139), (3834, 105630), (4260, 95067), (4473, 90540), (4527, 89460), (4970, 81486), (5030, 80514), (5670, 71426), (5751, 70420), (5964, 67905), (6036, 67095), (6390, 63378), (7042, 57510), (7455, 54324), (7545, 53676), (7668, 52815), (8946, 45270), (9054, 44730), (9585, 42252), (9940, 40743), (10060, 40257), (10563, 38340), (11340, 35713), (11502, 35210), (12780, 31689), (13419, 30180), (13581, 29820), (14084, 28755), (14910, 27162), (15090, 26838), (17605, 23004), (17892, 22635), (18108, 22365), (19170, 21126)]