80397800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{57427}}^1$

素因数の和:57450

約数の個数: 48

約数和(自身を含む): 213632160

約数和(自身を除く): 133234360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 57427, 114854, 229708, 287135, 401989, 459416, 574270, 803978, 1148540, 1435675, 1607956, 2009945, 2297080, 2871350, 3215912, 4019890, 5742700, 8039780, 10049725, 11485400, 16079560, 20099450, 40198900, 80397800]

約数ペア:

[(1, 80397800), (2, 40198900), (4, 20099450), (5, 16079560), (7, 11485400), (8, 10049725), (10, 8039780), (14, 5742700), (20, 4019890), (25, 3215912), (28, 2871350), (35, 2297080), (40, 2009945), (50, 1607956), (56, 1435675), (70, 1148540), (100, 803978), (140, 574270), (175, 459416), (200, 401989), (280, 287135), (350, 229708), (700, 114854), (1400, 57427)]