7924900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 18714080

約数和(自身を除く): 10789180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 97, 100, 172, 190, 194, 215, 380, 388, 430, 475, 485, 817, 860, 950, 970, 1075, 1634, 1843, 1900, 1940, 2150, 2425, 3268, 3686, 4085, 4171, 4300, 4850, 7372, 8170, 8342, 9215, 9700, 16340, 16684, 18430, 20425, 20855, 36860, 40850, 41710, 46075, 79249, 81700, 83420, 92150, 104275, 158498, 184300, 208550, 316996, 396245, 417100, 792490, 1584980, 1981225, 3962450, 7924900]

約数ペア:

[(1, 7924900), (2, 3962450), (4, 1981225), (5, 1584980), (10, 792490), (19, 417100), (20, 396245), (25, 316996), (38, 208550), (43, 184300), (50, 158498), (76, 104275), (86, 92150), (95, 83420), (97, 81700), (100, 79249), (172, 46075), (190, 41710), (194, 40850), (215, 36860), (380, 20855), (388, 20425), (430, 18430), (475, 16684), (485, 16340), (817, 9700), (860, 9215), (950, 8342), (970, 8170), (1075, 7372), (1634, 4850), (1843, 4300), (1900, 4171), (1940, 4085), (2150, 3686), (2425, 3268)]