197656380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25537}}^1$

素因数の和:25595

約数の個数: 72

約数和(自身を含む): 613524912

約数和(自身を除く): 415868532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 25537, 51074, 76611, 102148, 127685, 153222, 229833, 255370, 306444, 383055, 459666, 510740, 766110, 919332, 1098091, 1149165, 1532220, 2196182, 2298330, 3294273, 4392364, 4596660, 5490455, 6588546, 9882819, 10980910, 13177092, 16471365, 19765638, 21961820, 32942730, 39531276, 49414095, 65885460, 98828190, 197656380]

約数ペア:

[(1, 197656380), (2, 98828190), (3, 65885460), (4, 49414095), (5, 39531276), (6, 32942730), (9, 21961820), (10, 19765638), (12, 16471365), (15, 13177092), (18, 10980910), (20, 9882819), (30, 6588546), (36, 5490455), (43, 4596660), (45, 4392364), (60, 3294273), (86, 2298330), (90, 2196182), (129, 1532220), (172, 1149165), (180, 1098091), (215, 919332), (258, 766110), (387, 510740), (430, 459666), (516, 383055), (645, 306444), (774, 255370), (860, 229833), (1290, 153222), (1548, 127685), (1935, 102148), (2580, 76611), (3870, 51074), (7740, 25537)]