2181930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 5275584

約数和(自身を除く): 3093654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 283, 514, 566, 771, 849, 1285, 1415, 1542, 1698, 2570, 2830, 3855, 4245, 7710, 8490, 72731, 145462, 218193, 363655, 436386, 727310, 1090965, 2181930]

約数ペア:

[(1, 2181930), (2, 1090965), (3, 727310), (5, 436386), (6, 363655), (10, 218193), (15, 145462), (30, 72731), (257, 8490), (283, 7710), (514, 4245), (566, 3855), (771, 2830), (849, 2570), (1285, 1698), (1415, 1542)]