42399860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 91412496

約数和(自身を除く): 49012636

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 257, 292, 365, 452, 514, 565, 730, 1028, 1130, 1285, 1460, 2260, 2570, 5140, 8249, 16498, 18761, 29041, 32996, 37522, 41245, 58082, 75044, 82490, 93805, 116164, 145205, 164980, 187610, 290410, 375220, 580820, 2119993, 4239986, 8479972, 10599965, 21199930, 42399860]

約数ペア:

[(1, 42399860), (2, 21199930), (4, 10599965), (5, 8479972), (10, 4239986), (20, 2119993), (73, 580820), (113, 375220), (146, 290410), (226, 187610), (257, 164980), (292, 145205), (365, 116164), (452, 93805), (514, 82490), (565, 75044), (730, 58082), (1028, 41245), (1130, 37522), (1285, 32996), (1460, 29041), (2260, 18761), (2570, 16498), (5140, 8249)]