329759980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20533}}^1$

素因数の和:20626

約数の個数: 48

約数和(自身を含む): 765836064

約数和(自身を除く): 436076084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 20533, 41066, 82132, 102665, 205330, 225863, 410660, 451726, 903452, 1129315, 1498909, 2258630, 2997818, 4517260, 5995636, 7494545, 14989090, 16487999, 29978180, 32975998, 65951996, 82439995, 164879990, 329759980]

約数ペア:

[(1, 329759980), (2, 164879990), (4, 82439995), (5, 65951996), (10, 32975998), (11, 29978180), (20, 16487999), (22, 14989090), (44, 7494545), (55, 5995636), (73, 4517260), (110, 2997818), (146, 2258630), (220, 1498909), (292, 1129315), (365, 903452), (730, 451726), (803, 410660), (1460, 225863), (1606, 205330), (3212, 102665), (4015, 82132), (8030, 41066), (16060, 20533)]