9838840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 24624000

約数和(自身を除く): 14785160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 379, 440, 472, 590, 649, 758, 1180, 1298, 1516, 1895, 2360, 2596, 3032, 3245, 3790, 4169, 5192, 6490, 7580, 8338, 12980, 15160, 16676, 20845, 22361, 25960, 33352, 41690, 44722, 83380, 89444, 111805, 166760, 178888, 223610, 245971, 447220, 491942, 894440, 983884, 1229855, 1967768, 2459710, 4919420, 9838840]

約数ペア:

[(1, 9838840), (2, 4919420), (4, 2459710), (5, 1967768), (8, 1229855), (10, 983884), (11, 894440), (20, 491942), (22, 447220), (40, 245971), (44, 223610), (55, 178888), (59, 166760), (88, 111805), (110, 89444), (118, 83380), (220, 44722), (236, 41690), (295, 33352), (379, 25960), (440, 22361), (472, 20845), (590, 16676), (649, 15160), (758, 12980), (1180, 8338), (1298, 7580), (1516, 6490), (1895, 5192), (2360, 4169), (2596, 3790), (3032, 3245)]