394010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 24

約数和(自身を含む): 750708

約数和(自身を除く): 356698

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 961, 1271, 1922, 2542, 4805, 6355, 9610, 12710, 39401, 78802, 197005, 394010]

約数ペア:

[(1, 394010), (2, 197005), (5, 78802), (10, 39401), (31, 12710), (41, 9610), (62, 6355), (82, 4805), (155, 2542), (205, 1922), (310, 1271), (410, 961)]