77897540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 192204096

約数和(自身を除く): 114306556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 331, 410, 574, 662, 820, 1148, 1324, 1435, 1655, 1681, 2317, 2870, 3310, 3362, 4634, 5740, 6620, 6724, 8405, 9268, 11585, 11767, 13571, 16810, 23170, 23534, 27142, 33620, 46340, 47068, 54284, 58835, 67855, 94997, 117670, 135710, 189994, 235340, 271420, 379988, 474985, 556411, 949970, 1112822, 1899940, 2225644, 2782055, 3894877, 5564110, 7789754, 11128220, 15579508, 19474385, 38948770, 77897540]

約数ペア:

[(1, 77897540), (2, 38948770), (4, 19474385), (5, 15579508), (7, 11128220), (10, 7789754), (14, 5564110), (20, 3894877), (28, 2782055), (35, 2225644), (41, 1899940), (70, 1112822), (82, 949970), (140, 556411), (164, 474985), (205, 379988), (287, 271420), (331, 235340), (410, 189994), (574, 135710), (662, 117670), (820, 94997), (1148, 67855), (1324, 58835), (1435, 54284), (1655, 47068), (1681, 46340), (2317, 33620), (2870, 27142), (3310, 23534), (3362, 23170), (4634, 16810), (5740, 13571), (6620, 11767), (6724, 11585), (8405, 9268)]