289127620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5620

約数の個数: 48

約数和(自身を含む): 632475648

約数和(自身を除く): 343348028

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 5503, 10508, 11006, 13135, 22012, 26270, 27515, 52540, 55030, 110060, 203611, 390713, 407222, 781426, 814444, 1018055, 1562852, 1953565, 2036110, 3907130, 4072220, 7814260, 14456381, 28912762, 57825524, 72281905, 144563810, 289127620]

約数ペア:

[(1, 289127620), (2, 144563810), (4, 72281905), (5, 57825524), (10, 28912762), (20, 14456381), (37, 7814260), (71, 4072220), (74, 3907130), (142, 2036110), (148, 1953565), (185, 1562852), (284, 1018055), (355, 814444), (370, 781426), (710, 407222), (740, 390713), (1420, 203611), (2627, 110060), (5254, 55030), (5503, 52540), (10508, 27515), (11006, 26270), (13135, 22012)]