1584980

素因数分解:

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

素因数の和:168

約数の個数: 48

約数和(自身を含む): 3622080

約数和(自身を除く): 2037100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 97, 172, 190, 194, 215, 380, 388, 430, 485, 817, 860, 970, 1634, 1843, 1940, 3268, 3686, 4085, 4171, 7372, 8170, 8342, 9215, 16340, 16684, 18430, 20855, 36860, 41710, 79249, 83420, 158498, 316996, 396245, 792490, 1584980]

約数ペア:

[(1, 1584980), (2, 792490), (4, 396245), (5, 316996), (10, 158498), (19, 83420), (20, 79249), (38, 41710), (43, 36860), (76, 20855), (86, 18430), (95, 16684), (97, 16340), (172, 9215), (190, 8342), (194, 8170), (215, 7372), (380, 4171), (388, 4085), (430, 3686), (485, 3268), (817, 1940), (860, 1843), (970, 1634)]