255964580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{39623}}^1$

素因数の和:39668

約数の個数: 48

約数和(自身を含む): 599114880

約数和(自身を除く): 343150300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 39623, 79246, 158492, 198115, 396230, 673591, 752837, 792460, 1347182, 1505674, 2694364, 3011348, 3367955, 3764185, 6735910, 7528370, 12798229, 13471820, 15056740, 25596458, 51192916, 63991145, 127982290, 255964580]

約数ペア:

[(1, 255964580), (2, 127982290), (4, 63991145), (5, 51192916), (10, 25596458), (17, 15056740), (19, 13471820), (20, 12798229), (34, 7528370), (38, 6735910), (68, 3764185), (76, 3367955), (85, 3011348), (95, 2694364), (170, 1505674), (190, 1347182), (323, 792460), (340, 752837), (380, 673591), (646, 396230), (1292, 198115), (1615, 158492), (3230, 79246), (6460, 39623)]