3902780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 9541056

約数和(自身を除く): 5638276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 457, 610, 854, 914, 1220, 1708, 1828, 2135, 2285, 3199, 4270, 4570, 6398, 8540, 9140, 12796, 15995, 27877, 31990, 55754, 63980, 111508, 139385, 195139, 278770, 390278, 557540, 780556, 975695, 1951390, 3902780]

約数ペア:

[(1, 3902780), (2, 1951390), (4, 975695), (5, 780556), (7, 557540), (10, 390278), (14, 278770), (20, 195139), (28, 139385), (35, 111508), (61, 63980), (70, 55754), (122, 31990), (140, 27877), (244, 15995), (305, 12796), (427, 9140), (457, 8540), (610, 6398), (854, 4570), (914, 4270), (1220, 3199), (1708, 2285), (1828, 2135)]