166680140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1171}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 382765824

約数和(自身を除く): 216085684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 647, 1171, 1294, 2342, 2588, 3235, 4684, 5855, 6470, 7117, 11710, 12881, 12940, 14234, 23420, 25762, 28468, 35585, 51524, 64405, 71170, 128810, 142340, 257620, 757637, 1515274, 3030548, 3788185, 7576370, 8334007, 15152740, 16668014, 33336028, 41670035, 83340070, 166680140]

約数ペア:

[(1, 166680140), (2, 83340070), (4, 41670035), (5, 33336028), (10, 16668014), (11, 15152740), (20, 8334007), (22, 7576370), (44, 3788185), (55, 3030548), (110, 1515274), (220, 757637), (647, 257620), (1171, 142340), (1294, 128810), (2342, 71170), (2588, 64405), (3235, 51524), (4684, 35585), (5855, 28468), (6470, 25762), (7117, 23420), (11710, 14234), (12881, 12940)]