1397925860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{65141}}^1$

素因数の和:65216

約数の個数: 48

約数和(自身を含む): 3118998960

約数和(自身を除く): 1721073100

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 10730, 21460, 65141, 130282, 260564, 325705, 651410, 1302820, 1889089, 2410217, 3778178, 4820434, 7556356, 9445445, 9640868, 12051085, 18890890, 24102170, 37781780, 48204340, 69896293, 139792586, 279585172, 349481465, 698962930, 1397925860]

約数ペア:

[(1, 1397925860), (2, 698962930), (4, 349481465), (5, 279585172), (10, 139792586), (20, 69896293), (29, 48204340), (37, 37781780), (58, 24102170), (74, 18890890), (116, 12051085), (145, 9640868), (148, 9445445), (185, 7556356), (290, 4820434), (370, 3778178), (580, 2410217), (740, 1889089), (1073, 1302820), (2146, 651410), (4292, 325705), (5365, 260564), (10730, 130282), (21460, 65141)]