248936680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{47507}}^1$

素因数の和:47649

約数の個数: 32

約数和(自身を含む): 564395040

約数和(自身を除く): 315458360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 47507, 95014, 190028, 237535, 380056, 475070, 950140, 1900280, 6223417, 12446834, 24893668, 31117085, 49787336, 62234170, 124468340, 248936680]

約数ペア:

[(1, 248936680), (2, 124468340), (4, 62234170), (5, 49787336), (8, 31117085), (10, 24893668), (20, 12446834), (40, 6223417), (131, 1900280), (262, 950140), (524, 475070), (655, 380056), (1048, 237535), (1310, 190028), (2620, 95014), (5240, 47507)]