2009689420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1\times {\mathrm{2027}}^1$

素因数の和:2682

約数の個数: 48

約数和(自身を含む): 4277538720

約数和(自身を除く): 2267849300

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 557, 890, 1114, 1780, 2027, 2228, 2785, 4054, 5570, 8108, 10135, 11140, 20270, 40540, 49573, 99146, 180403, 198292, 247865, 360806, 495730, 721612, 902015, 991460, 1129039, 1804030, 2258078, 3608060, 4516156, 5645195, 11290390, 22580780, 100484471, 200968942, 401937884, 502422355, 1004844710, 2009689420]

約数ペア:

[(1, 2009689420), (2, 1004844710), (4, 502422355), (5, 401937884), (10, 200968942), (20, 100484471), (89, 22580780), (178, 11290390), (356, 5645195), (445, 4516156), (557, 3608060), (890, 2258078), (1114, 1804030), (1780, 1129039), (2027, 991460), (2228, 902015), (2785, 721612), (4054, 495730), (5570, 360806), (8108, 247865), (10135, 198292), (11140, 180403), (20270, 99146), (40540, 49573)]