56229320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{491}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 145238400

約数和(自身を除く): 89009080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 491, 818, 982, 1636, 1964, 2045, 2455, 2863, 3272, 3437, 3928, 4090, 4910, 5726, 6874, 8180, 9820, 11452, 13748, 14315, 16360, 17185, 19640, 22904, 27496, 28630, 34370, 57260, 68740, 114520, 137480, 200819, 401638, 803276, 1004095, 1405733, 1606552, 2008190, 2811466, 4016380, 5622932, 7028665, 8032760, 11245864, 14057330, 28114660, 56229320]

約数ペア:

[(1, 56229320), (2, 28114660), (4, 14057330), (5, 11245864), (7, 8032760), (8, 7028665), (10, 5622932), (14, 4016380), (20, 2811466), (28, 2008190), (35, 1606552), (40, 1405733), (56, 1004095), (70, 803276), (140, 401638), (280, 200819), (409, 137480), (491, 114520), (818, 68740), (982, 57260), (1636, 34370), (1964, 28630), (2045, 27496), (2455, 22904), (2863, 19640), (3272, 17185), (3437, 16360), (3928, 14315), (4090, 13748), (4910, 11452), (5726, 9820), (6874, 8180)]