745512740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{2819}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 1790812800

約数和(自身を除く): 1045300060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1889, 2819, 3778, 5638, 7556, 9445, 11276, 13223, 14095, 18890, 19733, 26446, 28190, 37780, 39466, 52892, 56380, 66115, 78932, 98665, 132230, 197330, 264460, 394660, 5325091, 10650182, 21300364, 26625455, 37275637, 53250910, 74551274, 106501820, 149102548, 186378185, 372756370, 745512740]

約数ペア:

[(1, 745512740), (2, 372756370), (4, 186378185), (5, 149102548), (7, 106501820), (10, 74551274), (14, 53250910), (20, 37275637), (28, 26625455), (35, 21300364), (70, 10650182), (140, 5325091), (1889, 394660), (2819, 264460), (3778, 197330), (5638, 132230), (7556, 98665), (9445, 78932), (11276, 66115), (13223, 56380), (14095, 52892), (18890, 39466), (19733, 37780), (26446, 28190)]