205769020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{787}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 458710560

約数和(自身を除く): 252941540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 769, 787, 1538, 1574, 3076, 3148, 3845, 3935, 7690, 7870, 13073, 13379, 15380, 15740, 26146, 26758, 52292, 53516, 65365, 66895, 130730, 133790, 261460, 267580, 605203, 1210406, 2420812, 3026015, 6052030, 10288451, 12104060, 20576902, 41153804, 51442255, 102884510, 205769020]

約数ペア:

[(1, 205769020), (2, 102884510), (4, 51442255), (5, 41153804), (10, 20576902), (17, 12104060), (20, 10288451), (34, 6052030), (68, 3026015), (85, 2420812), (170, 1210406), (340, 605203), (769, 267580), (787, 261460), (1538, 133790), (1574, 130730), (3076, 66895), (3148, 65365), (3845, 53516), (3935, 52292), (7690, 26758), (7870, 26146), (13073, 15740), (13379, 15380)]