201698380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18041}}^1$

素因数の和:18106

約数の個数: 48

約数和(自身を含む): 466782624

約数和(自身を除く): 265084244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 18041, 36082, 72164, 90205, 180410, 234533, 360820, 469066, 775763, 938132, 1172665, 1551526, 2345330, 3103052, 3878815, 4690660, 7757630, 10084919, 15515260, 20169838, 40339676, 50424595, 100849190, 201698380]

約数ペア:

[(1, 201698380), (2, 100849190), (4, 50424595), (5, 40339676), (10, 20169838), (13, 15515260), (20, 10084919), (26, 7757630), (43, 4690660), (52, 3878815), (65, 3103052), (86, 2345330), (130, 1551526), (172, 1172665), (215, 938132), (260, 775763), (430, 469066), (559, 360820), (860, 234533), (1118, 180410), (2236, 90205), (2795, 72164), (5590, 36082), (11180, 18041)]