2661990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 6467040

約数和(自身を除く): 3805050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 997, 1335, 1994, 2670, 2991, 4985, 5982, 9970, 14955, 29910, 88733, 177466, 266199, 443665, 532398, 887330, 1330995, 2661990]

約数ペア:

[(1, 2661990), (2, 1330995), (3, 887330), (5, 532398), (6, 443665), (10, 266199), (15, 177466), (30, 88733), (89, 29910), (178, 14955), (267, 9970), (445, 5982), (534, 4985), (890, 2991), (997, 2670), (1335, 1994)]