77317420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 168039648

約数和(自身を除く): 90722228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 641, 652, 740, 815, 1282, 1630, 2564, 3205, 3260, 6031, 6410, 12062, 12820, 23717, 24124, 30155, 47434, 60310, 94868, 104483, 118585, 120620, 208966, 237170, 417932, 474340, 522415, 1044830, 2089660, 3865871, 7731742, 15463484, 19329355, 38658710, 77317420]

約数ペア:

[(1, 77317420), (2, 38658710), (4, 19329355), (5, 15463484), (10, 7731742), (20, 3865871), (37, 2089660), (74, 1044830), (148, 522415), (163, 474340), (185, 417932), (326, 237170), (370, 208966), (641, 120620), (652, 118585), (740, 104483), (815, 94868), (1282, 60310), (1630, 47434), (2564, 30155), (3205, 24124), (3260, 23717), (6031, 12820), (6410, 12062)]