329025620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19423}}^1$

素因数の和:19461

約数の個数: 72

約数和(自身を含む): 868019712

約数和(自身を除く): 538994092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 19423, 38846, 77692, 97115, 135961, 194230, 213653, 271922, 388460, 427306, 543844, 679805, 854612, 1068265, 1359610, 1495571, 2136530, 2350183, 2719220, 2991142, 4273060, 4700366, 5982284, 7477855, 9400732, 11750915, 14955710, 16451281, 23501830, 29911420, 32902562, 47003660, 65805124, 82256405, 164512810, 329025620]

約数ペア:

[(1, 329025620), (2, 164512810), (4, 82256405), (5, 65805124), (7, 47003660), (10, 32902562), (11, 29911420), (14, 23501830), (20, 16451281), (22, 14955710), (28, 11750915), (35, 9400732), (44, 7477855), (55, 5982284), (70, 4700366), (77, 4273060), (110, 2991142), (121, 2719220), (140, 2350183), (154, 2136530), (220, 1495571), (242, 1359610), (308, 1068265), (385, 854612), (484, 679805), (605, 543844), (770, 427306), (847, 388460), (1210, 271922), (1540, 213653), (1694, 194230), (2420, 135961), (3388, 97115), (4235, 77692), (8470, 38846), (16940, 19423)]