259660790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{3499}}^1$

素因数の和:3728

約数の個数: 32

約数和(自身を含む): 481572000

約数和(自身を除く): 221911210

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 362, 410, 905, 1810, 3499, 6998, 7421, 14842, 17495, 34990, 37105, 74210, 143459, 286918, 633319, 717295, 1266638, 1434590, 3166595, 6333190, 25966079, 51932158, 129830395, 259660790]

約数ペア:

[(1, 259660790), (2, 129830395), (5, 51932158), (10, 25966079), (41, 6333190), (82, 3166595), (181, 1434590), (205, 1266638), (362, 717295), (410, 633319), (905, 286918), (1810, 143459), (3499, 74210), (6998, 37105), (7421, 34990), (14842, 17495)]