12345990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2089}}^1$

素因数の和:2296

約数の個数: 32

約数和(自身を含む): 29795040

約数和(自身を除く): 17449050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2089, 2955, 4178, 5910, 6267, 10445, 12534, 20890, 31335, 62670, 411533, 823066, 1234599, 2057665, 2469198, 4115330, 6172995, 12345990]

約数ペア:

[(1, 12345990), (2, 6172995), (3, 4115330), (5, 2469198), (6, 2057665), (10, 1234599), (15, 823066), (30, 411533), (197, 62670), (394, 31335), (591, 20890), (985, 12534), (1182, 10445), (1970, 6267), (2089, 5910), (2955, 4178)]