492065720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{155717}}^1$

素因数の和:155807

約数の個数: 32

約数和(自身を含む): 1121169600

約数和(自身を除く): 629103880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 155717, 311434, 622868, 778585, 1245736, 1557170, 3114340, 6228680, 12301643, 24603286, 49206572, 61508215, 98413144, 123016430, 246032860, 492065720]

約数ペア:

[(1, 492065720), (2, 246032860), (4, 123016430), (5, 98413144), (8, 61508215), (10, 49206572), (20, 24603286), (40, 12301643), (79, 6228680), (158, 3114340), (316, 1557170), (395, 1245736), (632, 778585), (790, 622868), (1580, 311434), (3160, 155717)]