2147740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 5574240

約数和(自身を除く): 3426500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 58, 70, 92, 115, 116, 140, 145, 161, 203, 230, 290, 322, 406, 460, 529, 580, 644, 667, 805, 812, 1015, 1058, 1334, 1610, 2030, 2116, 2645, 2668, 3220, 3335, 3703, 4060, 4669, 5290, 6670, 7406, 9338, 10580, 13340, 14812, 15341, 18515, 18676, 23345, 30682, 37030, 46690, 61364, 74060, 76705, 93380, 107387, 153410, 214774, 306820, 429548, 536935, 1073870, 2147740]

約数ペア:

[(1, 2147740), (2, 1073870), (4, 536935), (5, 429548), (7, 306820), (10, 214774), (14, 153410), (20, 107387), (23, 93380), (28, 76705), (29, 74060), (35, 61364), (46, 46690), (58, 37030), (70, 30682), (92, 23345), (115, 18676), (116, 18515), (140, 15341), (145, 14812), (161, 13340), (203, 10580), (230, 9338), (290, 7406), (322, 6670), (406, 5290), (460, 4669), (529, 4060), (580, 3703), (644, 3335), (667, 3220), (805, 2668), (812, 2645), (1015, 2116), (1058, 2030), (1334, 1610)]