138637660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 340656624

約数和(自身を除く): 202018964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 482, 490, 587, 964, 980, 1174, 1205, 1687, 2348, 2410, 2935, 3374, 4109, 4820, 5870, 6748, 8218, 8435, 11740, 11809, 16436, 16870, 20545, 23618, 28763, 33740, 41090, 47236, 57526, 59045, 82180, 115052, 118090, 141467, 143815, 236180, 282934, 287630, 565868, 575260, 707335, 990269, 1414670, 1980538, 2829340, 3961076, 4951345, 6931883, 9902690, 13863766, 19805380, 27727532, 34659415, 69318830, 138637660]

約数ペア:

[(1, 138637660), (2, 69318830), (4, 34659415), (5, 27727532), (7, 19805380), (10, 13863766), (14, 9902690), (20, 6931883), (28, 4951345), (35, 3961076), (49, 2829340), (70, 1980538), (98, 1414670), (140, 990269), (196, 707335), (241, 575260), (245, 565868), (482, 287630), (490, 282934), (587, 236180), (964, 143815), (980, 141467), (1174, 118090), (1205, 115052), (1687, 82180), (2348, 59045), (2410, 57526), (2935, 47236), (3374, 41090), (4109, 33740), (4820, 28763), (5870, 23618), (6748, 20545), (8218, 16870), (8435, 16436), (11740, 11809)]