251179420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{2129}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 560377440

約数和(自身を除く): 309198020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 347, 694, 1388, 1735, 2129, 3470, 4258, 5899, 6940, 8516, 10645, 11798, 21290, 23596, 29495, 36193, 42580, 58990, 72386, 117980, 144772, 180965, 361930, 723860, 738763, 1477526, 2955052, 3693815, 7387630, 12558971, 14775260, 25117942, 50235884, 62794855, 125589710, 251179420]

約数ペア:

[(1, 251179420), (2, 125589710), (4, 62794855), (5, 50235884), (10, 25117942), (17, 14775260), (20, 12558971), (34, 7387630), (68, 3693815), (85, 2955052), (170, 1477526), (340, 738763), (347, 723860), (694, 361930), (1388, 180965), (1735, 144772), (2129, 117980), (3470, 72386), (4258, 58990), (5899, 42580), (6940, 36193), (8516, 29495), (10645, 23596), (11798, 21290)]