207977660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55609}}^1$

素因数の和:55646

約数の個数: 48

約数和(自身を含む): 504493920

約数和(自身を除く): 296516260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 55609, 111218, 222436, 278045, 556090, 611699, 945353, 1112180, 1223398, 1890706, 2446796, 3058495, 3781412, 4726765, 6116990, 9453530, 10398883, 12233980, 18907060, 20797766, 41595532, 51994415, 103988830, 207977660]

約数ペア:

[(1, 207977660), (2, 103988830), (4, 51994415), (5, 41595532), (10, 20797766), (11, 18907060), (17, 12233980), (20, 10398883), (22, 9453530), (34, 6116990), (44, 4726765), (55, 3781412), (68, 3058495), (85, 2446796), (110, 1890706), (170, 1223398), (187, 1112180), (220, 945353), (340, 611699), (374, 556090), (748, 278045), (935, 222436), (1870, 111218), (3740, 55609)]