289188770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 587188224

約数和(自身を除く): 297999454

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 310, 365, 403, 730, 806, 949, 983, 1898, 1966, 2015, 2263, 4030, 4526, 4745, 4915, 9490, 9830, 11315, 12779, 22630, 25558, 29419, 30473, 58838, 60946, 63895, 71759, 127790, 143518, 147095, 152365, 294190, 304730, 358795, 396149, 717590, 792298, 932867, 1865734, 1980745, 2224529, 3961490, 4449058, 4664335, 9328670, 11122645, 22245290, 28918877, 57837754, 144594385, 289188770]

約数ペア:

[(1, 289188770), (2, 144594385), (5, 57837754), (10, 28918877), (13, 22245290), (26, 11122645), (31, 9328670), (62, 4664335), (65, 4449058), (73, 3961490), (130, 2224529), (146, 1980745), (155, 1865734), (310, 932867), (365, 792298), (403, 717590), (730, 396149), (806, 358795), (949, 304730), (983, 294190), (1898, 152365), (1966, 147095), (2015, 143518), (2263, 127790), (4030, 71759), (4526, 63895), (4745, 60946), (4915, 58838), (9490, 30473), (9830, 29419), (11315, 25558), (12779, 22630)]