387916120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{40577}}^1$

素因数の和:40827

約数の個数: 32

約数和(自身を含む): 876484800

約数和(自身を除く): 488568680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 40577, 81154, 162308, 202885, 324616, 405770, 811540, 1623080, 9697903, 19395806, 38791612, 48489515, 77583224, 96979030, 193958060, 387916120]

約数ペア:

[(1, 387916120), (2, 193958060), (4, 96979030), (5, 77583224), (8, 48489515), (10, 38791612), (20, 19395806), (40, 9697903), (239, 1623080), (478, 811540), (956, 405770), (1195, 324616), (1912, 202885), (2390, 162308), (4780, 81154), (9560, 40577)]