9901473640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{16979}}^1$

素因数の和:17290

約数の個数: 64

約数和(自身を含む): 22739616000

約数和(自身を除く): 12838142360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 239, 244, 305, 478, 488, 610, 956, 1195, 1220, 1912, 2390, 2440, 4780, 9560, 14579, 16979, 29158, 33958, 58316, 67916, 72895, 84895, 116632, 135832, 145790, 169790, 291580, 339580, 583160, 679160, 1035719, 2071438, 4057981, 4142876, 5178595, 8115962, 8285752, 10357190, 16231924, 20289905, 20714380, 32463848, 40579810, 41428760, 81159620, 162319240, 247536841, 495073682, 990147364, 1237684205, 1980294728, 2475368410, 4950736820, 9901473640]

約数ペア:

[(1, 9901473640), (2, 4950736820), (4, 2475368410), (5, 1980294728), (8, 1237684205), (10, 990147364), (20, 495073682), (40, 247536841), (61, 162319240), (122, 81159620), (239, 41428760), (244, 40579810), (305, 32463848), (478, 20714380), (488, 20289905), (610, 16231924), (956, 10357190), (1195, 8285752), (1220, 8115962), (1912, 5178595), (2390, 4142876), (2440, 4057981), (4780, 2071438), (9560, 1035719), (14579, 679160), (16979, 583160), (29158, 339580), (33958, 291580), (58316, 169790), (67916, 145790), (72895, 135832), (84895, 116632)]