30026620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 69219360

約数和(自身を除く): 39192740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2179, 2756, 3445, 4358, 6890, 8716, 10895, 13780, 21790, 28327, 43580, 56654, 113308, 115487, 141635, 230974, 283270, 461948, 566540, 577435, 1154870, 1501331, 2309740, 3002662, 6005324, 7506655, 15013310, 30026620]

約数ペア:

[(1, 30026620), (2, 15013310), (4, 7506655), (5, 6005324), (10, 3002662), (13, 2309740), (20, 1501331), (26, 1154870), (52, 577435), (53, 566540), (65, 461948), (106, 283270), (130, 230974), (212, 141635), (260, 115487), (265, 113308), (530, 56654), (689, 43580), (1060, 28327), (1378, 21790), (2179, 13780), (2756, 10895), (3445, 8716), (4358, 6890)]