200712680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2551}}^1$

素因数の和:2850

約数の個数: 64

約数和(自身を含む): 518158080

約数和(自身を除く): 317445400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2551, 2810, 3934, 5102, 5620, 7868, 9835, 10204, 11240, 12755, 15736, 17857, 19670, 20408, 25510, 35714, 39340, 51020, 71428, 78680, 89285, 102040, 142856, 178570, 357140, 714280, 716831, 1433662, 2867324, 3584155, 5017817, 5734648, 7168310, 10035634, 14336620, 20071268, 25089085, 28673240, 40142536, 50178170, 100356340, 200712680]

約数ペア:

[(1, 200712680), (2, 100356340), (4, 50178170), (5, 40142536), (7, 28673240), (8, 25089085), (10, 20071268), (14, 14336620), (20, 10035634), (28, 7168310), (35, 5734648), (40, 5017817), (56, 3584155), (70, 2867324), (140, 1433662), (280, 716831), (281, 714280), (562, 357140), (1124, 178570), (1405, 142856), (1967, 102040), (2248, 89285), (2551, 78680), (2810, 71428), (3934, 51020), (5102, 39340), (5620, 35714), (7868, 25510), (9835, 20408), (10204, 19670), (11240, 17857), (12755, 15736)]