261530890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{3083}}^1$

素因数の和:3606

約数の個数: 32

約数和(自身を含む): 499608000

約数和(自身を除く): 238077110

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 499, 998, 2495, 3083, 4990, 6166, 8483, 15415, 16966, 30830, 42415, 52411, 84830, 104822, 262055, 524110, 1538417, 3076834, 7692085, 15384170, 26153089, 52306178, 130765445, 261530890]

約数ペア:

[(1, 261530890), (2, 130765445), (5, 52306178), (10, 26153089), (17, 15384170), (34, 7692085), (85, 3076834), (170, 1538417), (499, 524110), (998, 262055), (2495, 104822), (3083, 84830), (4990, 52411), (6166, 42415), (8483, 30830), (15415, 16966)]