128801180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13063}}^1$

素因数の和:13118

約数の個数: 48

約数和(自身を含む): 296291520

約数和(自身を除く): 167490340

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 13063, 26126, 52252, 65315, 130630, 222071, 261260, 378827, 444142, 757654, 888284, 1110355, 1515308, 1894135, 2220710, 3788270, 4441420, 6440059, 7576540, 12880118, 25760236, 32200295, 64400590, 128801180]

約数ペア:

[(1, 128801180), (2, 64400590), (4, 32200295), (5, 25760236), (10, 12880118), (17, 7576540), (20, 6440059), (29, 4441420), (34, 3788270), (58, 2220710), (68, 1894135), (85, 1515308), (116, 1110355), (145, 888284), (170, 757654), (290, 444142), (340, 378827), (493, 261260), (580, 222071), (986, 130630), (1972, 65315), (2465, 52252), (4930, 26126), (9860, 13063)]