9958760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5081}}^1$

素因数の和:5106

約数の個数: 48

約数和(自身を含む): 26070660

約数和(自身を除く): 16111900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5081, 10162, 20324, 25405, 35567, 40648, 50810, 71134, 101620, 142268, 177835, 203240, 248969, 284536, 355670, 497938, 711340, 995876, 1244845, 1422680, 1991752, 2489690, 4979380, 9958760]

約数ペア:

[(1, 9958760), (2, 4979380), (4, 2489690), (5, 1991752), (7, 1422680), (8, 1244845), (10, 995876), (14, 711340), (20, 497938), (28, 355670), (35, 284536), (40, 248969), (49, 203240), (56, 177835), (70, 142268), (98, 101620), (140, 71134), (196, 50810), (245, 40648), (280, 35567), (392, 25405), (490, 20324), (980, 10162), (1960, 5081)]