2489790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 6026400

約数和(自身を除く): 3536610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 557, 745, 894, 1114, 1490, 1671, 2235, 2785, 3342, 4470, 5570, 8355, 16710, 82993, 165986, 248979, 414965, 497958, 829930, 1244895, 2489790]

約数ペア:

[(1, 2489790), (2, 1244895), (3, 829930), (5, 497958), (6, 414965), (10, 248979), (15, 165986), (30, 82993), (149, 16710), (298, 8355), (447, 5570), (557, 4470), (745, 3342), (894, 2785), (1114, 2235), (1490, 1671)]