1640207870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4297}}^1$

素因数の和:4378

約数の個数: 96

約数和(自身を含む): 3704188320

約数和(自身を除く): 2063980450

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 49, 70, 82, 95, 98, 133, 190, 205, 245, 266, 287, 410, 490, 574, 665, 779, 931, 1330, 1435, 1558, 1862, 2009, 2870, 3895, 4018, 4297, 4655, 5453, 7790, 8594, 9310, 10045, 10906, 20090, 21485, 27265, 30079, 38171, 42970, 54530, 60158, 76342, 81643, 150395, 163286, 176177, 190855, 210553, 300790, 352354, 381710, 408215, 421106, 571501, 816430, 880885, 1052765, 1143002, 1233239, 1761770, 2105530, 2466478, 2857505, 3347363, 4000507, 5715010, 6166195, 6694726, 8001014, 8632673, 12332390, 16736815, 17265346, 20002535, 23431541, 33473630, 40005070, 43163365, 46863082, 86326730, 117157705, 164020787, 234315410, 328041574, 820103935, 1640207870]

約数ペア:

[(1, 1640207870), (2, 820103935), (5, 328041574), (7, 234315410), (10, 164020787), (14, 117157705), (19, 86326730), (35, 46863082), (38, 43163365), (41, 40005070), (49, 33473630), (70, 23431541), (82, 20002535), (95, 17265346), (98, 16736815), (133, 12332390), (190, 8632673), (205, 8001014), (245, 6694726), (266, 6166195), (287, 5715010), (410, 4000507), (490, 3347363), (574, 2857505), (665, 2466478), (779, 2105530), (931, 1761770), (1330, 1233239), (1435, 1143002), (1558, 1052765), (1862, 880885), (2009, 816430), (2870, 571501), (3895, 421106), (4018, 408215), (4297, 381710), (4655, 352354), (5453, 300790), (7790, 210553), (8594, 190855), (9310, 176177), (10045, 163286), (10906, 150395), (20090, 81643), (21485, 76342), (27265, 60158), (30079, 54530), (38171, 42970)]