420617060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{65111}}^1$

素因数の和:65156

約数の個数: 48

約数和(自身を含む): 984493440

約数和(自身を除く): 563876380

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, 65111, 130222, 260444, 325555, 651110, 1106887, 1237109, 1302220, 2213774, 2474218, 4427548, 4948436, 5534435, 6185545, 11068870, 12371090, 21030853, 22137740, 24742180, 42061706, 84123412, 105154265, 210308530, 420617060]

約数ペア:

[(1, 420617060), (2, 210308530), (4, 105154265), (5, 84123412), (10, 42061706), (17, 24742180), (19, 22137740), (20, 21030853), (34, 12371090), (38, 11068870), (68, 6185545), (76, 5534435), (85, 4948436), (95, 4427548), (170, 2474218), (190, 2213774), (323, 1302220), (340, 1237109), (380, 1106887), (646, 651110), (1292, 325555), (1615, 260444), (3230, 130222), (6460, 65111)]