1291245400

素因数分解:

$2^3\times 5^2\times {\mathrm{1531}}^1\times {\mathrm{4217}}^1$

素因数の和:5764

約数の個数: 48

約数和(自身を含む): 3004818840

約数和(自身を除く): 1713573440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1531, 3062, 4217, 6124, 7655, 8434, 12248, 15310, 16868, 21085, 30620, 33736, 38275, 42170, 61240, 76550, 84340, 105425, 153100, 168680, 210850, 306200, 421700, 843400, 6456227, 12912454, 25824908, 32281135, 51649816, 64562270, 129124540, 161405675, 258249080, 322811350, 645622700, 1291245400]

約数ペア:

[(1, 1291245400), (2, 645622700), (4, 322811350), (5, 258249080), (8, 161405675), (10, 129124540), (20, 64562270), (25, 51649816), (40, 32281135), (50, 25824908), (100, 12912454), (200, 6456227), (1531, 843400), (3062, 421700), (4217, 306200), (6124, 210850), (7655, 168680), (8434, 153100), (12248, 105425), (15310, 84340), (16868, 76550), (21085, 61240), (30620, 42170), (33736, 38275)]