2320660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3001580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 197, 310, 380, 394, 589, 620, 788, 985, 1178, 1970, 2356, 2945, 3743, 3940, 5890, 6107, 7486, 11780, 12214, 14972, 18715, 24428, 30535, 37430, 61070, 74860, 116033, 122140, 232066, 464132, 580165, 1160330, 2320660]

約数ペア:

[(1, 2320660), (2, 1160330), (4, 580165), (5, 464132), (10, 232066), (19, 122140), (20, 116033), (31, 74860), (38, 61070), (62, 37430), (76, 30535), (95, 24428), (124, 18715), (155, 14972), (190, 12214), (197, 11780), (310, 7486), (380, 6107), (394, 5890), (589, 3940), (620, 3743), (788, 2945), (985, 2356), (1178, 1970)]