212770700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 488302080

約数和(自身を除く): 275531380

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 79, 92, 100, 115, 158, 230, 316, 395, 460, 575, 790, 1150, 1171, 1580, 1817, 1975, 2300, 2342, 3634, 3950, 4684, 5855, 7268, 7900, 9085, 11710, 18170, 23420, 26933, 29275, 36340, 45425, 53866, 58550, 90850, 92509, 107732, 117100, 134665, 181700, 185018, 269330, 370036, 462545, 538660, 673325, 925090, 1346650, 1850180, 2127707, 2312725, 2693300, 4255414, 4625450, 8510828, 9250900, 10638535, 21277070, 42554140, 53192675, 106385350, 212770700]

約数ペア:

[(1, 212770700), (2, 106385350), (4, 53192675), (5, 42554140), (10, 21277070), (20, 10638535), (23, 9250900), (25, 8510828), (46, 4625450), (50, 4255414), (79, 2693300), (92, 2312725), (100, 2127707), (115, 1850180), (158, 1346650), (230, 925090), (316, 673325), (395, 538660), (460, 462545), (575, 370036), (790, 269330), (1150, 185018), (1171, 181700), (1580, 134665), (1817, 117100), (1975, 107732), (2300, 92509), (2342, 90850), (3634, 58550), (3950, 53866), (4684, 45425), (5855, 36340), (7268, 29275), (7900, 26933), (9085, 23420), (11710, 18170)]