210907488740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15305333}}^1$

素因数の和:15305408

約数の個数: 48

約数和(自身を含む): 485974965168

約数和(自身を除く): 275067476428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 15305333, 30610666, 61221332, 76526665, 153053330, 198969329, 306106660, 397938658, 795877316, 811182649, 994846645, 1622365298, 1989693290, 3244730596, 3979386580, 4055913245, 8111826490, 10545374437, 16223652980, 21090748874, 42181497748, 52726872185, 105453744370, 210907488740]

約数ペア:

[(1, 210907488740), (2, 105453744370), (4, 52726872185), (5, 42181497748), (10, 21090748874), (13, 16223652980), (20, 10545374437), (26, 8111826490), (52, 4055913245), (53, 3979386580), (65, 3244730596), (106, 1989693290), (130, 1622365298), (212, 994846645), (260, 811182649), (265, 795877316), (530, 397938658), (689, 306106660), (1060, 198969329), (1378, 153053330), (2756, 76526665), (3445, 61221332), (6890, 30610666), (13780, 15305333)]