250464630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{642217}}^1$

素因数の和:642240

約数の個数: 32

約数和(自身を含む): 647355744

約数和(自身を除く): 396891114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 642217, 1284434, 1926651, 3211085, 3853302, 6422170, 8348821, 9633255, 16697642, 19266510, 25046463, 41744105, 50092926, 83488210, 125232315, 250464630]

約数ペア:

[(1, 250464630), (2, 125232315), (3, 83488210), (5, 50092926), (6, 41744105), (10, 25046463), (13, 19266510), (15, 16697642), (26, 9633255), (30, 8348821), (39, 6422170), (65, 3853302), (78, 3211085), (130, 1926651), (195, 1284434), (390, 642217)]