28617820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18583}}^1$

素因数の和:18610

約数の個数: 48

約数和(自身を含む): 74930688

約数和(自身を除く): 46312868

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, 18583, 37166, 74332, 92915, 130081, 185830, 204413, 260162, 371660, 408826, 520324, 650405, 817652, 1022065, 1300810, 1430891, 2044130, 2601620, 2861782, 4088260, 5723564, 7154455, 14308910, 28617820]

約数ペア:

[(1, 28617820), (2, 14308910), (4, 7154455), (5, 5723564), (7, 4088260), (10, 2861782), (11, 2601620), (14, 2044130), (20, 1430891), (22, 1300810), (28, 1022065), (35, 817652), (44, 650405), (55, 520324), (70, 408826), (77, 371660), (110, 260162), (140, 204413), (154, 185830), (220, 130081), (308, 92915), (385, 74332), (770, 37166), (1540, 18583)]