663627140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{8951}}^1$

素因数の和:9308

約数の個数: 48

約数和(自身を含む): 1524991104

約数和(自身を除く): 861363964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 674, 1348, 1685, 3370, 3707, 6740, 7414, 8951, 14828, 17902, 18535, 35804, 37070, 44755, 74140, 89510, 98461, 179020, 196922, 393844, 492305, 984610, 1969220, 3016487, 6032974, 12065948, 15082435, 30164870, 33181357, 60329740, 66362714, 132725428, 165906785, 331813570, 663627140]

約数ペア:

[(1, 663627140), (2, 331813570), (4, 165906785), (5, 132725428), (10, 66362714), (11, 60329740), (20, 33181357), (22, 30164870), (44, 15082435), (55, 12065948), (110, 6032974), (220, 3016487), (337, 1969220), (674, 984610), (1348, 492305), (1685, 393844), (3370, 196922), (3707, 179020), (6740, 98461), (7414, 89510), (8951, 74140), (14828, 44755), (17902, 37070), (18535, 35804)]