1677620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 4209408

約数和(自身を除く): 2531788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 521, 644, 805, 1042, 1610, 2084, 2605, 3220, 3647, 5210, 7294, 10420, 11983, 14588, 18235, 23966, 36470, 47932, 59915, 72940, 83881, 119830, 167762, 239660, 335524, 419405, 838810, 1677620]

約数ペア:

[(1, 1677620), (2, 838810), (4, 419405), (5, 335524), (7, 239660), (10, 167762), (14, 119830), (20, 83881), (23, 72940), (28, 59915), (35, 47932), (46, 36470), (70, 23966), (92, 18235), (115, 14588), (140, 11983), (161, 10420), (230, 7294), (322, 5210), (460, 3647), (521, 3220), (644, 2605), (805, 2084), (1042, 1610)]