287141260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{3643}}^1$

素因数の和:4222

約数の個数: 48

約数和(自身を含む): 690552576

約数和(自身を除く): 403411316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2815, 3643, 3941, 5630, 7286, 7882, 11260, 14572, 15764, 18215, 19705, 25501, 36430, 39410, 51002, 72860, 78820, 102004, 127505, 255010, 510020, 2051009, 4102018, 8204036, 10255045, 14357063, 20510090, 28714126, 41020180, 57428252, 71785315, 143570630, 287141260]

約数ペア:

[(1, 287141260), (2, 143570630), (4, 71785315), (5, 57428252), (7, 41020180), (10, 28714126), (14, 20510090), (20, 14357063), (28, 10255045), (35, 8204036), (70, 4102018), (140, 2051009), (563, 510020), (1126, 255010), (2252, 127505), (2815, 102004), (3643, 78820), (3941, 72860), (5630, 51002), (7286, 39410), (7882, 36430), (11260, 25501), (14572, 19705), (15764, 18215)]