275221720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{221953}}^1$

素因数の和:221995

約数の個数: 32

約数和(自身を含む): 639227520

約数和(自身を除く): 364005800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 221953, 443906, 887812, 1109765, 1775624, 2219530, 4439060, 6880543, 8878120, 13761086, 27522172, 34402715, 55044344, 68805430, 137610860, 275221720]

約数ペア:

[(1, 275221720), (2, 137610860), (4, 68805430), (5, 55044344), (8, 34402715), (10, 27522172), (20, 13761086), (31, 8878120), (40, 6880543), (62, 4439060), (124, 2219530), (155, 1775624), (248, 1109765), (310, 887812), (620, 443906), (1240, 221953)]