888958780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{2467}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 1915562880

約数和(自身を除く): 1026604100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 419, 430, 838, 860, 1676, 2095, 2467, 4190, 4934, 8380, 9868, 12335, 18017, 24670, 36034, 49340, 72068, 90085, 106081, 180170, 212162, 360340, 424324, 530405, 1033673, 1060810, 2067346, 2121620, 4134692, 5168365, 10336730, 20673460, 44447939, 88895878, 177791756, 222239695, 444479390, 888958780]

約数ペア:

[(1, 888958780), (2, 444479390), (4, 222239695), (5, 177791756), (10, 88895878), (20, 44447939), (43, 20673460), (86, 10336730), (172, 5168365), (215, 4134692), (419, 2121620), (430, 2067346), (838, 1060810), (860, 1033673), (1676, 530405), (2095, 424324), (2467, 360340), (4190, 212162), (4934, 180170), (8380, 106081), (9868, 90085), (12335, 72068), (18017, 49340), (24670, 36034)]