30384980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19231}}^1$

素因数の和:19319

約数の個数: 24

約数和(自身を含む): 64619520

約数和(自身を除く): 34234540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19231, 38462, 76924, 96155, 192310, 384620, 1519249, 3038498, 6076996, 7596245, 15192490, 30384980]

約数ペア:

[(1, 30384980), (2, 15192490), (4, 7596245), (5, 6076996), (10, 3038498), (20, 1519249), (79, 384620), (158, 192310), (316, 96155), (395, 76924), (790, 38462), (1580, 19231)]