239703700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 549339840

約数和(自身を除く): 309636140

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1150, 1171, 1780, 2047, 2225, 2300, 2342, 4094, 4450, 4684, 5855, 8188, 8900, 10235, 11710, 20470, 23420, 26933, 29275, 40940, 51175, 53866, 58550, 102350, 104219, 107732, 117100, 134665, 204700, 208438, 269330, 416876, 521095, 538660, 673325, 1042190, 1346650, 2084380, 2397037, 2605475, 2693300, 4794074, 5210950, 9588148, 10421900, 11985185, 23970370, 47940740, 59925925, 119851850, 239703700]

約数ペア:

[(1, 239703700), (2, 119851850), (4, 59925925), (5, 47940740), (10, 23970370), (20, 11985185), (23, 10421900), (25, 9588148), (46, 5210950), (50, 4794074), (89, 2693300), (92, 2605475), (100, 2397037), (115, 2084380), (178, 1346650), (230, 1042190), (356, 673325), (445, 538660), (460, 521095), (575, 416876), (890, 269330), (1150, 208438), (1171, 204700), (1780, 134665), (2047, 117100), (2225, 107732), (2300, 104219), (2342, 102350), (4094, 58550), (4450, 53866), (4684, 51175), (5855, 40940), (8188, 29275), (8900, 26933), (10235, 23420), (11710, 20470)]