1810300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 4029256

約数和(自身を除く): 2218956

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 421, 430, 842, 860, 1075, 1684, 2105, 2150, 4210, 4300, 8420, 10525, 18103, 21050, 36206, 42100, 72412, 90515, 181030, 362060, 452575, 905150, 1810300]

約数ペア:

[(1, 1810300), (2, 905150), (4, 452575), (5, 362060), (10, 181030), (20, 90515), (25, 72412), (43, 42100), (50, 36206), (86, 21050), (100, 18103), (172, 10525), (215, 8420), (421, 4300), (430, 4210), (842, 2150), (860, 2105), (1075, 1684)]