73731160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 170100000

約数和(自身を除く): 96368840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 139, 149, 178, 278, 298, 356, 445, 556, 596, 695, 712, 745, 890, 1112, 1192, 1390, 1490, 1780, 2780, 2980, 3560, 5560, 5960, 12371, 13261, 20711, 24742, 26522, 41422, 49484, 53044, 61855, 66305, 82844, 98968, 103555, 106088, 123710, 132610, 165688, 207110, 247420, 265220, 414220, 494840, 530440, 828440, 1843279, 3686558, 7373116, 9216395, 14746232, 18432790, 36865580, 73731160]

約数ペア:

[(1, 73731160), (2, 36865580), (4, 18432790), (5, 14746232), (8, 9216395), (10, 7373116), (20, 3686558), (40, 1843279), (89, 828440), (139, 530440), (149, 494840), (178, 414220), (278, 265220), (298, 247420), (356, 207110), (445, 165688), (556, 132610), (596, 123710), (695, 106088), (712, 103555), (745, 98968), (890, 82844), (1112, 66305), (1192, 61855), (1390, 53044), (1490, 49484), (1780, 41422), (2780, 26522), (2980, 24742), (3560, 20711), (5560, 13261), (5960, 12371)]