289328830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{1129}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 607515120

約数和(自身を除く): 318186290

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 523, 1046, 1129, 2258, 2615, 3661, 5230, 5645, 7322, 7903, 11290, 15806, 18305, 25627, 36610, 39515, 51254, 55321, 79030, 110642, 128135, 256270, 276605, 553210, 590467, 1180934, 2952335, 4133269, 5904670, 8266538, 20666345, 28932883, 41332690, 57865766, 144664415, 289328830]

約数ペア:

[(1, 289328830), (2, 144664415), (5, 57865766), (7, 41332690), (10, 28932883), (14, 20666345), (35, 8266538), (49, 5904670), (70, 4133269), (98, 2952335), (245, 1180934), (490, 590467), (523, 553210), (1046, 276605), (1129, 256270), (2258, 128135), (2615, 110642), (3661, 79030), (5230, 55321), (5645, 51254), (7322, 39515), (7903, 36610), (11290, 25627), (15806, 18305)]