212927780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7951}}^1$

素因数の和:8076

約数の個数: 48

約数和(自身を含む): 486280704

約数和(自身を除く): 273352924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 7951, 13390, 15902, 26780, 31804, 39755, 79510, 103363, 159020, 206726, 413452, 516815, 818953, 1033630, 1637906, 2067260, 3275812, 4094765, 8189530, 10646389, 16379060, 21292778, 42585556, 53231945, 106463890, 212927780]

約数ペア:

[(1, 212927780), (2, 106463890), (4, 53231945), (5, 42585556), (10, 21292778), (13, 16379060), (20, 10646389), (26, 8189530), (52, 4094765), (65, 3275812), (103, 2067260), (130, 1637906), (206, 1033630), (260, 818953), (412, 516815), (515, 413452), (1030, 206726), (1339, 159020), (2060, 103363), (2678, 79510), (5356, 39755), (6695, 31804), (7951, 26780), (13390, 15902)]