2811380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 6943104

約数和(自身を除く): 4131724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 983, 1430, 1966, 2860, 3932, 4915, 9830, 10813, 12779, 19660, 21626, 25558, 43252, 51116, 54065, 63895, 108130, 127790, 140569, 216260, 255580, 281138, 562276, 702845, 1405690, 2811380]

約数ペア:

[(1, 2811380), (2, 1405690), (4, 702845), (5, 562276), (10, 281138), (11, 255580), (13, 216260), (20, 140569), (22, 127790), (26, 108130), (44, 63895), (52, 54065), (55, 51116), (65, 43252), (110, 25558), (130, 21626), (143, 19660), (220, 12779), (260, 10813), (286, 9830), (572, 4915), (715, 3932), (983, 2860), (1430, 1966)]