28275730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2711}}^1$

素因数の和:2874

約数の個数: 32

約数和(自身を含む): 58579200

約数和(自身を除く): 30303470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 2711, 5215, 5422, 10430, 13555, 18977, 27110, 37954, 94885, 189770, 403939, 807878, 2019695, 2827573, 4039390, 5655146, 14137865, 28275730]

約数ペア:

[(1, 28275730), (2, 14137865), (5, 5655146), (7, 4039390), (10, 2827573), (14, 2019695), (35, 807878), (70, 403939), (149, 189770), (298, 94885), (745, 37954), (1043, 27110), (1490, 18977), (2086, 13555), (2711, 10430), (5215, 5422)]