3959940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 11450880

約数和(自身を除く): 7490940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 2129, 4258, 6387, 8516, 10645, 12774, 21290, 25548, 31935, 42580, 63870, 65999, 127740, 131998, 197997, 263996, 329995, 395994, 659990, 791988, 989985, 1319980, 1979970, 3959940]

約数ペア:

[(1, 3959940), (2, 1979970), (3, 1319980), (4, 989985), (5, 791988), (6, 659990), (10, 395994), (12, 329995), (15, 263996), (20, 197997), (30, 131998), (31, 127740), (60, 65999), (62, 63870), (93, 42580), (124, 31935), (155, 25548), (186, 21290), (310, 12774), (372, 10645), (465, 8516), (620, 6387), (930, 4258), (1860, 2129)]