381860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 817656

約数和(自身を除く): 435796

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 313, 610, 626, 1220, 1252, 1565, 3130, 6260, 19093, 38186, 76372, 95465, 190930, 381860]

約数ペア:

[(1, 381860), (2, 190930), (4, 95465), (5, 76372), (10, 38186), (20, 19093), (61, 6260), (122, 3130), (244, 1565), (305, 1252), (313, 1220), (610, 626)]