248102920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15391}}^1$

素因数の和:15446

約数の個数: 64

約数和(自身を含む): 620605440

約数和(自身を除く): 372502520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15391, 16120, 30782, 61564, 76955, 123128, 153910, 200083, 307820, 400166, 477121, 615640, 800332, 954242, 1000415, 1600664, 1908484, 2000830, 2385605, 3816968, 4001660, 4771210, 6202573, 8003320, 9542420, 12405146, 19084840, 24810292, 31012865, 49620584, 62025730, 124051460, 248102920]

約数ペア:

[(1, 248102920), (2, 124051460), (4, 62025730), (5, 49620584), (8, 31012865), (10, 24810292), (13, 19084840), (20, 12405146), (26, 9542420), (31, 8003320), (40, 6202573), (52, 4771210), (62, 4001660), (65, 3816968), (104, 2385605), (124, 2000830), (130, 1908484), (155, 1600664), (248, 1000415), (260, 954242), (310, 800332), (403, 615640), (520, 477121), (620, 400166), (806, 307820), (1240, 200083), (1612, 153910), (2015, 123128), (3224, 76955), (4030, 61564), (8060, 30782), (15391, 16120)]