121562020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2693}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 266576688

約数和(自身を除く): 145014668

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 2257, 2693, 4514, 5386, 9028, 10772, 11285, 13465, 22570, 26930, 45140, 53860, 99641, 164273, 199282, 328546, 398564, 498205, 657092, 821365, 996410, 1642730, 1992820, 3285460, 6078101, 12156202, 24312404, 30390505, 60781010, 121562020]

約数ペア:

[(1, 121562020), (2, 60781010), (4, 30390505), (5, 24312404), (10, 12156202), (20, 6078101), (37, 3285460), (61, 1992820), (74, 1642730), (122, 996410), (148, 821365), (185, 657092), (244, 498205), (305, 398564), (370, 328546), (610, 199282), (740, 164273), (1220, 99641), (2257, 53860), (2693, 45140), (4514, 26930), (5386, 22570), (9028, 13465), (10772, 11285)]