129339740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2423}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 289541952

約数和(自身を除く): 160202212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 2423, 2669, 3140, 4846, 5338, 9692, 10676, 12115, 13345, 24230, 26690, 41191, 48460, 53380, 82382, 164764, 205955, 380411, 411910, 760822, 823820, 1521644, 1902055, 3804110, 6466987, 7608220, 12933974, 25867948, 32334935, 64669870, 129339740]

約数ペア:

[(1, 129339740), (2, 64669870), (4, 32334935), (5, 25867948), (10, 12933974), (17, 7608220), (20, 6466987), (34, 3804110), (68, 1902055), (85, 1521644), (157, 823820), (170, 760822), (314, 411910), (340, 380411), (628, 205955), (785, 164764), (1570, 82382), (2423, 53380), (2669, 48460), (3140, 41191), (4846, 26690), (5338, 24230), (9692, 13345), (10676, 12115)]