2437820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1583}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 3948868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1583, 3166, 6332, 7915, 11081, 15830, 17413, 22162, 31660, 34826, 44324, 55405, 69652, 87065, 110810, 121891, 174130, 221620, 243782, 348260, 487564, 609455, 1218910, 2437820]

約数ペア:

[(1, 2437820), (2, 1218910), (4, 609455), (5, 487564), (7, 348260), (10, 243782), (11, 221620), (14, 174130), (20, 121891), (22, 110810), (28, 87065), (35, 69652), (44, 55405), (55, 44324), (70, 34826), (77, 31660), (110, 22162), (140, 17413), (154, 15830), (220, 11081), (308, 7915), (385, 6332), (770, 3166), (1540, 1583)]