210868580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11423}}^1$

素因数の和:11516

約数の個数: 48

約数和(自身を含む): 483646464

約数和(自身を除く): 272777884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 11423, 18460, 22846, 45692, 57115, 114230, 148499, 228460, 296998, 593996, 742495, 811033, 1484990, 1622066, 2969980, 3244132, 4055165, 8110330, 10543429, 16220660, 21086858, 42173716, 52717145, 105434290, 210868580]

約数ペア:

[(1, 210868580), (2, 105434290), (4, 52717145), (5, 42173716), (10, 21086858), (13, 16220660), (20, 10543429), (26, 8110330), (52, 4055165), (65, 3244132), (71, 2969980), (130, 1622066), (142, 1484990), (260, 811033), (284, 742495), (355, 593996), (710, 296998), (923, 228460), (1420, 148499), (1846, 114230), (3692, 57115), (4615, 45692), (9230, 22846), (11423, 18460)]