644190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 1568160

約数和(自身を除く): 923970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 197, 218, 327, 394, 545, 591, 654, 985, 1090, 1182, 1635, 1970, 2955, 3270, 5910, 21473, 42946, 64419, 107365, 128838, 214730, 322095, 644190]

約数ペア:

[(1, 644190), (2, 322095), (3, 214730), (5, 128838), (6, 107365), (10, 64419), (15, 42946), (30, 21473), (109, 5910), (197, 3270), (218, 2955), (327, 1970), (394, 1635), (545, 1182), (591, 1090), (654, 985)]