201789510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1229}}^1$

素因数の和:1673

約数の個数: 64

約数和(自身を含む): 523212480

約数和(自身を除く): 321422970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 421, 842, 1229, 1263, 2105, 2458, 2526, 3687, 4210, 5473, 6145, 6315, 7374, 10946, 12290, 12630, 15977, 16419, 18435, 27365, 31954, 32838, 36870, 47931, 54730, 79885, 82095, 95862, 159770, 164190, 239655, 479310, 517409, 1034818, 1552227, 2587045, 3104454, 5174090, 6726317, 7761135, 13452634, 15522270, 20178951, 33631585, 40357902, 67263170, 100894755, 201789510]

約数ペア:

[(1, 201789510), (2, 100894755), (3, 67263170), (5, 40357902), (6, 33631585), (10, 20178951), (13, 15522270), (15, 13452634), (26, 7761135), (30, 6726317), (39, 5174090), (65, 3104454), (78, 2587045), (130, 1552227), (195, 1034818), (390, 517409), (421, 479310), (842, 239655), (1229, 164190), (1263, 159770), (2105, 95862), (2458, 82095), (2526, 79885), (3687, 54730), (4210, 47931), (5473, 36870), (6145, 32838), (6315, 31954), (7374, 27365), (10946, 18435), (12290, 16419), (12630, 15977)]