1720123340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{178807}}^1$

素因数の和:178866

約数の個数: 48

約数和(自身を含む): 3995285952

約数和(自身を除く): 2275162612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 178807, 357614, 715228, 894035, 1788070, 2324491, 3576140, 4648982, 6615859, 9297964, 11622455, 13231718, 23244910, 26463436, 33079295, 46489820, 66158590, 86006167, 132317180, 172012334, 344024668, 430030835, 860061670, 1720123340]

約数ペア:

[(1, 1720123340), (2, 860061670), (4, 430030835), (5, 344024668), (10, 172012334), (13, 132317180), (20, 86006167), (26, 66158590), (37, 46489820), (52, 33079295), (65, 26463436), (74, 23244910), (130, 13231718), (148, 11622455), (185, 9297964), (260, 6615859), (370, 4648982), (481, 3576140), (740, 2324491), (962, 1788070), (1924, 894035), (2405, 715228), (4810, 357614), (9620, 178807)]