130275320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66467}}^1$

素因数の和:66492

約数の個数: 48

約数和(自身を含む): 340980840

約数和(自身を除く): 210705520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66467, 132934, 265868, 332335, 465269, 531736, 664670, 930538, 1329340, 1861076, 2326345, 2658680, 3256883, 3722152, 4652690, 6513766, 9305380, 13027532, 16284415, 18610760, 26055064, 32568830, 65137660, 130275320]

約数ペア:

[(1, 130275320), (2, 65137660), (4, 32568830), (5, 26055064), (7, 18610760), (8, 16284415), (10, 13027532), (14, 9305380), (20, 6513766), (28, 4652690), (35, 3722152), (40, 3256883), (49, 2658680), (56, 2326345), (70, 1861076), (98, 1329340), (140, 930538), (196, 664670), (245, 531736), (280, 465269), (392, 332335), (490, 265868), (980, 132934), (1960, 66467)]