1142660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 2634240

約数和(自身を除く): 1491580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 97, 124, 155, 190, 194, 310, 380, 388, 485, 589, 620, 970, 1178, 1843, 1940, 2356, 2945, 3007, 3686, 5890, 6014, 7372, 9215, 11780, 12028, 15035, 18430, 30070, 36860, 57133, 60140, 114266, 228532, 285665, 571330, 1142660]

約数ペア:

[(1, 1142660), (2, 571330), (4, 285665), (5, 228532), (10, 114266), (19, 60140), (20, 57133), (31, 36860), (38, 30070), (62, 18430), (76, 15035), (95, 12028), (97, 11780), (124, 9215), (155, 7372), (190, 6014), (194, 5890), (310, 3686), (380, 3007), (388, 2945), (485, 2356), (589, 1940), (620, 1843), (970, 1178)]