248094860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30834

約数の個数: 48

約数和(自身を含む): 579194112

約数和(自身を除く): 331099252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 30781, 61562, 123124, 153905, 307810, 400153, 615620, 800306, 954211, 1600612, 1908422, 2000765, 3816844, 4001530, 4771055, 8003060, 9542110, 12404743, 19084220, 24809486, 49618972, 62023715, 124047430, 248094860]

約数ペア:

[(1, 248094860), (2, 124047430), (4, 62023715), (5, 49618972), (10, 24809486), (13, 19084220), (20, 12404743), (26, 9542110), (31, 8003060), (52, 4771055), (62, 4001530), (65, 3816844), (124, 2000765), (130, 1908422), (155, 1600612), (260, 954211), (310, 800306), (403, 615620), (620, 400153), (806, 307810), (1612, 153905), (2015, 123124), (4030, 61562), (8060, 30781)]