201309380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 432606720

約数和(自身を除く): 231297340

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 316, 395, 412, 515, 790, 1030, 1237, 1580, 2060, 2474, 4948, 6185, 8137, 12370, 16274, 24740, 32548, 40685, 81370, 97723, 127411, 162740, 195446, 254822, 390892, 488615, 509644, 637055, 977230, 1274110, 1954460, 2548220, 10065469, 20130938, 40261876, 50327345, 100654690, 201309380]

約数ペア:

[(1, 201309380), (2, 100654690), (4, 50327345), (5, 40261876), (10, 20130938), (20, 10065469), (79, 2548220), (103, 1954460), (158, 1274110), (206, 977230), (316, 637055), (395, 509644), (412, 488615), (515, 390892), (790, 254822), (1030, 195446), (1237, 162740), (1580, 127411), (2060, 97723), (2474, 81370), (4948, 40685), (6185, 32548), (8137, 24740), (12370, 16274)]