259600180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{3643}}^1$

素因数の和:4168

約数の個数: 48

約数和(自身を含む): 624435840

約数和(自身を除く): 364835660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 3643, 5090, 7126, 7286, 10180, 14252, 14572, 17815, 18215, 25501, 35630, 36430, 51002, 71260, 72860, 102004, 127505, 255010, 510020, 1854287, 3708574, 7417148, 9271435, 12980009, 18542870, 25960018, 37085740, 51920036, 64900045, 129800090, 259600180]

約数ペア:

[(1, 259600180), (2, 129800090), (4, 64900045), (5, 51920036), (7, 37085740), (10, 25960018), (14, 18542870), (20, 12980009), (28, 9271435), (35, 7417148), (70, 3708574), (140, 1854287), (509, 510020), (1018, 255010), (2036, 127505), (2545, 102004), (3563, 72860), (3643, 71260), (5090, 51002), (7126, 36430), (7286, 35630), (10180, 25501), (14252, 18215), (14572, 17815)]