2416840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 5909760

約数和(自身を除く): 3492920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 71, 74, 92, 115, 142, 148, 184, 185, 230, 284, 296, 355, 370, 460, 568, 710, 740, 851, 920, 1420, 1480, 1633, 1702, 2627, 2840, 3266, 3404, 4255, 5254, 6532, 6808, 8165, 8510, 10508, 13064, 13135, 16330, 17020, 21016, 26270, 32660, 34040, 52540, 60421, 65320, 105080, 120842, 241684, 302105, 483368, 604210, 1208420, 2416840]

約数ペア:

[(1, 2416840), (2, 1208420), (4, 604210), (5, 483368), (8, 302105), (10, 241684), (20, 120842), (23, 105080), (37, 65320), (40, 60421), (46, 52540), (71, 34040), (74, 32660), (92, 26270), (115, 21016), (142, 17020), (148, 16330), (184, 13135), (185, 13064), (230, 10508), (284, 8510), (296, 8165), (355, 6808), (370, 6532), (460, 5254), (568, 4255), (710, 3404), (740, 3266), (851, 2840), (920, 2627), (1420, 1702), (1480, 1633)]