290824380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20983}}^1$

素因数の和:21016

約数の個数: 144

約数和(自身を含む): 1099897344

約数和(自身を除く): 809072964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 20983, 41966, 62949, 83932, 104915, 125898, 146881, 188847, 209830, 230813, 251796, 293762, 314745, 377694, 419660, 440643, 461626, 587524, 629490, 692439, 734405, 755388, 881286, 923252, 944235, 1154065, 1258980, 1321929, 1384878, 1468810, 1615691, 1762572, 1888470, 2077317, 2203215, 2308130, 2643858, 2769756, 2937620, 3231382, 3462195, 3776940, 4154634, 4406430, 4616260, 4847073, 5287716, 6462764, 6609645, 6924390, 8078455, 8309268, 8812860, 9694146, 10386585, 13219290, 13848780, 14541219, 16156910, 19388292, 20773170, 24235365, 26438580, 29082438, 32313820, 41546340, 48470730, 58164876, 72706095, 96941460, 145412190, 290824380]

約数ペア:

[(1, 290824380), (2, 145412190), (3, 96941460), (4, 72706095), (5, 58164876), (6, 48470730), (7, 41546340), (9, 32313820), (10, 29082438), (11, 26438580), (12, 24235365), (14, 20773170), (15, 19388292), (18, 16156910), (20, 14541219), (21, 13848780), (22, 13219290), (28, 10386585), (30, 9694146), (33, 8812860), (35, 8309268), (36, 8078455), (42, 6924390), (44, 6609645), (45, 6462764), (55, 5287716), (60, 4847073), (63, 4616260), (66, 4406430), (70, 4154634), (77, 3776940), (84, 3462195), (90, 3231382), (99, 2937620), (105, 2769756), (110, 2643858), (126, 2308130), (132, 2203215), (140, 2077317), (154, 1888470), (165, 1762572), (180, 1615691), (198, 1468810), (210, 1384878), (220, 1321929), (231, 1258980), (252, 1154065), (308, 944235), (315, 923252), (330, 881286), (385, 755388), (396, 734405), (420, 692439), (462, 629490), (495, 587524), (630, 461626), (660, 440643), (693, 419660), (770, 377694), (924, 314745), (990, 293762), (1155, 251796), (1260, 230813), (1386, 209830), (1540, 188847), (1980, 146881), (2310, 125898), (2772, 104915), (3465, 83932), (4620, 62949), (6930, 41966), (13860, 20983)]