197628840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 661768380

約数和(自身を除く): 464139540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 401, 444, 555, 666, 740, 802, 888, 1110, 1203, 1332, 1369, 1480, 1604, 1665, 2005, 2220, 2406, 2664, 2738, 3208, 3330, 3609, 4010, 4107, 4440, 4812, 5476, 6015, 6660, 6845, 7218, 8020, 8214, 9624, 10952, 12030, 12321, 13320, 13690, 14436, 14837, 16040, 16428, 18045, 20535, 24060, 24642, 27380, 28872, 29674, 32856, 36090, 41070, 44511, 48120, 49284, 54760, 59348, 61605, 72180, 74185, 82140, 89022, 98568, 118696, 123210, 133533, 144360, 148370, 164280, 178044, 222555, 246420, 267066, 296740, 356088, 445110, 492840, 534132, 548969, 593480, 667665, 890220, 1068264, 1097938, 1335330, 1646907, 1780440, 2195876, 2670660, 2744845, 3293814, 4391752, 4940721, 5341320, 5489690, 6587628, 8234535, 9881442, 10979380, 13175256, 16469070, 19762884, 21958760, 24703605, 32938140, 39525768, 49407210, 65876280, 98814420, 197628840]

約数ペア:

[(1, 197628840), (2, 98814420), (3, 65876280), (4, 49407210), (5, 39525768), (6, 32938140), (8, 24703605), (9, 21958760), (10, 19762884), (12, 16469070), (15, 13175256), (18, 10979380), (20, 9881442), (24, 8234535), (30, 6587628), (36, 5489690), (37, 5341320), (40, 4940721), (45, 4391752), (60, 3293814), (72, 2744845), (74, 2670660), (90, 2195876), (111, 1780440), (120, 1646907), (148, 1335330), (180, 1097938), (185, 1068264), (222, 890220), (296, 667665), (333, 593480), (360, 548969), (370, 534132), (401, 492840), (444, 445110), (555, 356088), (666, 296740), (740, 267066), (802, 246420), (888, 222555), (1110, 178044), (1203, 164280), (1332, 148370), (1369, 144360), (1480, 133533), (1604, 123210), (1665, 118696), (2005, 98568), (2220, 89022), (2406, 82140), (2664, 74185), (2738, 72180), (3208, 61605), (3330, 59348), (3609, 54760), (4010, 49284), (4107, 48120), (4440, 44511), (4812, 41070), (5476, 36090), (6015, 32856), (6660, 29674), (6845, 28872), (7218, 27380), (8020, 24642), (8214, 24060), (9624, 20535), (10952, 18045), (12030, 16428), (12321, 16040), (13320, 14837), (13690, 14436)]