290475855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5557

約数の個数: 64

約数和(自身を含む): 570654720

約数和(自身を除く): 280178865

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1955, 2295, 3105, 3519, 5503, 5865, 10557, 16509, 17595, 27515, 49527, 52785, 82545, 93551, 126569, 148581, 247635, 280653, 379707, 467755, 632845, 742905, 841959, 1139121, 1403265, 1898535, 2151673, 2525877, 3417363, 4209795, 5695605, 6455019, 10758365, 12629385, 17086815, 19365057, 32275095, 58095171, 96825285, 290475855]

約数ペア:

[(1, 290475855), (3, 96825285), (5, 58095171), (9, 32275095), (15, 19365057), (17, 17086815), (23, 12629385), (27, 10758365), (45, 6455019), (51, 5695605), (69, 4209795), (85, 3417363), (115, 2525877), (135, 2151673), (153, 1898535), (207, 1403265), (255, 1139121), (345, 841959), (391, 742905), (459, 632845), (621, 467755), (765, 379707), (1035, 280653), (1173, 247635), (1955, 148581), (2295, 126569), (3105, 93551), (3519, 82545), (5503, 52785), (5865, 49527), (10557, 27515), (16509, 17595)]