1442816980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{23339}}^1$

素因数の和:23640

約数の個数: 48

約数和(自身を含む): 3317267520

約数和(自身を除く): 1874450540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2810, 3091, 5620, 6182, 12364, 15455, 23339, 30910, 46678, 61820, 93356, 116695, 233390, 256729, 466780, 513458, 1026916, 1283645, 2567290, 5134580, 6558259, 13116518, 26233036, 32791295, 65582590, 72140849, 131165180, 144281698, 288563396, 360704245, 721408490, 1442816980]

約数ペア:

[(1, 1442816980), (2, 721408490), (4, 360704245), (5, 288563396), (10, 144281698), (11, 131165180), (20, 72140849), (22, 65582590), (44, 32791295), (55, 26233036), (110, 13116518), (220, 6558259), (281, 5134580), (562, 2567290), (1124, 1283645), (1405, 1026916), (2810, 513458), (3091, 466780), (5620, 256729), (6182, 233390), (12364, 116695), (15455, 93356), (23339, 61820), (30910, 46678)]