68196940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^2$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 169216992

約数和(自身を除く): 101020052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 109, 140, 164, 205, 218, 287, 410, 436, 545, 574, 763, 820, 1090, 1148, 1435, 1526, 2180, 2870, 3052, 3815, 4469, 5740, 7630, 8938, 11881, 15260, 17876, 22345, 23762, 31283, 44690, 47524, 59405, 62566, 83167, 89380, 118810, 125132, 156415, 166334, 237620, 312830, 332668, 415835, 487121, 625660, 831670, 974242, 1663340, 1948484, 2435605, 3409847, 4871210, 6819694, 9742420, 13639388, 17049235, 34098470, 68196940]

約数ペア:

[(1, 68196940), (2, 34098470), (4, 17049235), (5, 13639388), (7, 9742420), (10, 6819694), (14, 4871210), (20, 3409847), (28, 2435605), (35, 1948484), (41, 1663340), (70, 974242), (82, 831670), (109, 625660), (140, 487121), (164, 415835), (205, 332668), (218, 312830), (287, 237620), (410, 166334), (436, 156415), (545, 125132), (574, 118810), (763, 89380), (820, 83167), (1090, 62566), (1148, 59405), (1435, 47524), (1526, 44690), (2180, 31283), (2870, 23762), (3052, 22345), (3815, 17876), (4469, 15260), (5740, 11881), (7630, 8938)]