2870660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 6634992

約数和(自身を除く): 3764332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 181, 244, 260, 305, 362, 610, 724, 793, 905, 1220, 1586, 1810, 2353, 3172, 3620, 3965, 4706, 7930, 9412, 11041, 11765, 15860, 22082, 23530, 44164, 47060, 55205, 110410, 143533, 220820, 287066, 574132, 717665, 1435330, 2870660]

約数ペア:

[(1, 2870660), (2, 1435330), (4, 717665), (5, 574132), (10, 287066), (13, 220820), (20, 143533), (26, 110410), (52, 55205), (61, 47060), (65, 44164), (122, 23530), (130, 22082), (181, 15860), (244, 11765), (260, 11041), (305, 9412), (362, 7930), (610, 4706), (724, 3965), (793, 3620), (905, 3172), (1220, 2353), (1586, 1810)]