259023620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 558835200

約数和(自身を除く): 299811580

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 2309, 4618, 5609, 9236, 11218, 11545, 22436, 23090, 28045, 46180, 56090, 112180, 163939, 182411, 327878, 364822, 655756, 729644, 819695, 912055, 1639390, 1824110, 3278780, 3648220, 12951181, 25902362, 51804724, 64755905, 129511810, 259023620]

約数ペア:

[(1, 259023620), (2, 129511810), (4, 64755905), (5, 51804724), (10, 25902362), (20, 12951181), (71, 3648220), (79, 3278780), (142, 1824110), (158, 1639390), (284, 912055), (316, 819695), (355, 729644), (395, 655756), (710, 364822), (790, 327878), (1420, 182411), (1580, 163939), (2309, 112180), (4618, 56090), (5609, 46180), (9236, 28045), (11218, 23090), (11545, 22436)]