138857180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1171}}^1$

素因数の和:1216

約数の個数: 108

約数和(自身を含む): 373167144

約数和(自身を除く): 234309964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 539, 605, 770, 847, 980, 1078, 1171, 1210, 1540, 1694, 2156, 2342, 2420, 2695, 3388, 4235, 4684, 5390, 5855, 5929, 8197, 8470, 10780, 11710, 11858, 12881, 16394, 16940, 23420, 23716, 25762, 29645, 32788, 40985, 51524, 57379, 59290, 64405, 81970, 90167, 114758, 118580, 128810, 141691, 163940, 180334, 229516, 257620, 283382, 286895, 360668, 450835, 566764, 573790, 631169, 708455, 901670, 991837, 1147580, 1262338, 1416910, 1803340, 1983674, 2524676, 2833820, 3155845, 3967348, 4959185, 6311690, 6942859, 9918370, 12623380, 13885718, 19836740, 27771436, 34714295, 69428590, 138857180]

約数ペア:

[(1, 138857180), (2, 69428590), (4, 34714295), (5, 27771436), (7, 19836740), (10, 13885718), (11, 12623380), (14, 9918370), (20, 6942859), (22, 6311690), (28, 4959185), (35, 3967348), (44, 3155845), (49, 2833820), (55, 2524676), (70, 1983674), (77, 1803340), (98, 1416910), (110, 1262338), (121, 1147580), (140, 991837), (154, 901670), (196, 708455), (220, 631169), (242, 573790), (245, 566764), (308, 450835), (385, 360668), (484, 286895), (490, 283382), (539, 257620), (605, 229516), (770, 180334), (847, 163940), (980, 141691), (1078, 128810), (1171, 118580), (1210, 114758), (1540, 90167), (1694, 81970), (2156, 64405), (2342, 59290), (2420, 57379), (2695, 51524), (3388, 40985), (4235, 32788), (4684, 29645), (5390, 25762), (5855, 23716), (5929, 23420), (8197, 16940), (8470, 16394), (10780, 12881), (11710, 11858)]