1331140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1733180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 113, 124, 155, 190, 226, 310, 380, 452, 565, 589, 620, 1130, 1178, 2147, 2260, 2356, 2945, 3503, 4294, 5890, 7006, 8588, 10735, 11780, 14012, 17515, 21470, 35030, 42940, 66557, 70060, 133114, 266228, 332785, 665570, 1331140]

約数ペア:

[(1, 1331140), (2, 665570), (4, 332785), (5, 266228), (10, 133114), (19, 70060), (20, 66557), (31, 42940), (38, 35030), (62, 21470), (76, 17515), (95, 14012), (113, 11780), (124, 10735), (155, 8588), (190, 7006), (226, 5890), (310, 4294), (380, 3503), (452, 2945), (565, 2356), (589, 2260), (620, 2147), (1130, 1178)]