1871440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 4408200

約数和(自身を除く): 2536760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 157, 298, 314, 596, 628, 745, 785, 1192, 1256, 1490, 1570, 2384, 2512, 2980, 3140, 5960, 6280, 11920, 12560, 23393, 46786, 93572, 116965, 187144, 233930, 374288, 467860, 935720, 1871440]

約数ペア:

[(1, 1871440), (2, 935720), (4, 467860), (5, 374288), (8, 233930), (10, 187144), (16, 116965), (20, 93572), (40, 46786), (80, 23393), (149, 12560), (157, 11920), (298, 6280), (314, 5960), (596, 3140), (628, 2980), (745, 2512), (785, 2384), (1192, 1570), (1256, 1490)]