289462520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{99131}}^1$

素因数の和:99215

約数の個数: 32

約数和(自身を含む): 660219120

約数和(自身を除く): 370756600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 99131, 198262, 396524, 495655, 793048, 991310, 1982620, 3965240, 7236563, 14473126, 28946252, 36182815, 57892504, 72365630, 144731260, 289462520]

約数ペア:

[(1, 289462520), (2, 144731260), (4, 72365630), (5, 57892504), (8, 36182815), (10, 28946252), (20, 14473126), (40, 7236563), (73, 3965240), (146, 1982620), (292, 991310), (365, 793048), (584, 495655), (730, 396524), (1460, 198262), (2920, 99131)]