248688820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 541933056

約数和(自身を除く): 293244236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 1901, 2110, 3802, 4220, 6541, 7604, 9505, 13082, 19010, 26164, 32705, 38020, 58931, 65410, 117862, 130820, 235724, 294655, 401111, 589310, 802222, 1178620, 1604444, 2005555, 4011110, 8022220, 12434441, 24868882, 49737764, 62172205, 124344410, 248688820]

約数ペア:

[(1, 248688820), (2, 124344410), (4, 62172205), (5, 49737764), (10, 24868882), (20, 12434441), (31, 8022220), (62, 4011110), (124, 2005555), (155, 1604444), (211, 1178620), (310, 802222), (422, 589310), (620, 401111), (844, 294655), (1055, 235724), (1901, 130820), (2110, 117862), (3802, 65410), (4220, 58931), (6541, 38020), (7604, 32705), (9505, 26164), (13082, 19010)]