314987008640

素因数分解:

$2^7\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{394049}}^1$

素因数の和:395317

約数の個数: 64

約数和(自身を含む): 753620625000

約数和(自身を除く): 438633616360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1249, 2498, 4996, 6245, 9992, 12490, 19984, 24980, 39968, 49960, 79936, 99920, 159872, 199840, 394049, 399680, 788098, 799360, 1576196, 1970245, 3152392, 3940490, 6304784, 7880980, 12609568, 15761960, 25219136, 31523920, 50438272, 63047840, 126095680, 252191360, 492167201, 984334402, 1968668804, 2460836005, 3937337608, 4921672010, 7874675216, 9843344020, 15749350432, 19686688040, 31498700864, 39373376080, 62997401728, 78746752160, 157493504320, 314987008640]

約数ペア:

[(1, 314987008640), (2, 157493504320), (4, 78746752160), (5, 62997401728), (8, 39373376080), (10, 31498700864), (16, 19686688040), (20, 15749350432), (32, 9843344020), (40, 7874675216), (64, 4921672010), (80, 3937337608), (128, 2460836005), (160, 1968668804), (320, 984334402), (640, 492167201), (1249, 252191360), (2498, 126095680), (4996, 63047840), (6245, 50438272), (9992, 31523920), (12490, 25219136), (19984, 15761960), (24980, 12609568), (39968, 7880980), (49960, 6304784), (79936, 3940490), (99920, 3152392), (159872, 1970245), (199840, 1576196), (394049, 799360), (399680, 788098)]