8729420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 21869568

約数和(自身を除く): 13140148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2711, 3220, 5422, 10844, 13555, 18977, 27110, 37954, 54220, 62353, 75908, 94885, 124706, 189770, 249412, 311765, 379540, 436471, 623530, 872942, 1247060, 1745884, 2182355, 4364710, 8729420]

約数ペア:

[(1, 8729420), (2, 4364710), (4, 2182355), (5, 1745884), (7, 1247060), (10, 872942), (14, 623530), (20, 436471), (23, 379540), (28, 311765), (35, 249412), (46, 189770), (70, 124706), (92, 94885), (115, 75908), (140, 62353), (161, 54220), (230, 37954), (322, 27110), (460, 18977), (644, 13555), (805, 10844), (1610, 5422), (2711, 3220)]