771569140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61333}}^1$

素因数の和:61396

約数の個数: 48

約数和(自身を含む): 1762003152

約数和(自身を除く): 990434012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 61333, 122666, 245332, 306665, 613330, 1042661, 1226660, 2085322, 2269321, 4170644, 4538642, 5213305, 9077284, 10426610, 11346605, 20853220, 22693210, 38578457, 45386420, 77156914, 154313828, 192892285, 385784570, 771569140]

約数ペア:

[(1, 771569140), (2, 385784570), (4, 192892285), (5, 154313828), (10, 77156914), (17, 45386420), (20, 38578457), (34, 22693210), (37, 20853220), (68, 11346605), (74, 10426610), (85, 9077284), (148, 5213305), (170, 4538642), (185, 4170644), (340, 2269321), (370, 2085322), (629, 1226660), (740, 1042661), (1258, 613330), (2516, 306665), (3145, 245332), (6290, 122666), (12580, 61333)]