208060760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 492307200

約数和(自身を除く): 284246440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 1627, 2780, 3197, 3254, 5560, 6394, 6508, 8135, 12788, 13016, 15985, 16270, 25576, 31970, 32540, 37421, 63940, 65080, 74842, 127880, 149684, 187105, 226153, 299368, 374210, 452306, 748420, 904612, 1130765, 1496840, 1809224, 2261530, 4523060, 5201519, 9046120, 10403038, 20806076, 26007595, 41612152, 52015190, 104030380, 208060760]

約数ペア:

[(1, 208060760), (2, 104030380), (4, 52015190), (5, 41612152), (8, 26007595), (10, 20806076), (20, 10403038), (23, 9046120), (40, 5201519), (46, 4523060), (92, 2261530), (115, 1809224), (139, 1496840), (184, 1130765), (230, 904612), (278, 748420), (460, 452306), (556, 374210), (695, 299368), (920, 226153), (1112, 187105), (1390, 149684), (1627, 127880), (2780, 74842), (3197, 65080), (3254, 63940), (5560, 37421), (6394, 32540), (6508, 31970), (8135, 25576), (12788, 16270), (13016, 15985)]