247039260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316717}}^1$

素因数の和:316742

約数の個数: 48

約数和(自身を含む): 744920736

約数和(自身を除く): 497881476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 316717, 633434, 950151, 1266868, 1583585, 1900302, 3167170, 3800604, 4117321, 4750755, 6334340, 8234642, 9501510, 12351963, 16469284, 19003020, 20586605, 24703926, 41173210, 49407852, 61759815, 82346420, 123519630, 247039260]

約数ペア:

[(1, 247039260), (2, 123519630), (3, 82346420), (4, 61759815), (5, 49407852), (6, 41173210), (10, 24703926), (12, 20586605), (13, 19003020), (15, 16469284), (20, 12351963), (26, 9501510), (30, 8234642), (39, 6334340), (52, 4750755), (60, 4117321), (65, 3800604), (78, 3167170), (130, 1900302), (156, 1583585), (195, 1266868), (260, 950151), (390, 633434), (780, 316717)]