202912880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28499}}^1$

素因数の和:28601

約数の個数: 40

約数和(自身を含む): 477090000

約数和(自身を除く): 274177120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28499, 56998, 113996, 142495, 227992, 284990, 455984, 569980, 1139960, 2279920, 2536411, 5072822, 10145644, 12682055, 20291288, 25364110, 40582576, 50728220, 101456440, 202912880]

約数ペア:

[(1, 202912880), (2, 101456440), (4, 50728220), (5, 40582576), (8, 25364110), (10, 20291288), (16, 12682055), (20, 10145644), (40, 5072822), (80, 2536411), (89, 2279920), (178, 1139960), (356, 569980), (445, 455984), (712, 284990), (890, 227992), (1424, 142495), (1780, 113996), (3560, 56998), (7120, 28499)]