520023496100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5437}}^1\times {\mathrm{12107}}^1$

素因数の和:17637

約数の個数: 72

約数和(自身を含む): 1143039757440

約数和(自身を除く): 623016261340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 5437, 7900, 10874, 12107, 21748, 24214, 27185, 48428, 54370, 60535, 108740, 121070, 135925, 242140, 271850, 302675, 429523, 543700, 605350, 859046, 956453, 1210700, 1718092, 1912906, 2147615, 3825812, 4295230, 4782265, 8590460, 9564530, 10738075, 19129060, 21476150, 23911325, 42952300, 47822650, 65825759, 95645300, 131651518, 263303036, 329128795, 658257590, 1316515180, 1645643975, 3291287950, 5200234961, 6582575900, 10400469922, 20800939844, 26001174805, 52002349610, 104004699220, 130005874025, 260011748050, 520023496100]

約数ペア:

[(1, 520023496100), (2, 260011748050), (4, 130005874025), (5, 104004699220), (10, 52002349610), (20, 26001174805), (25, 20800939844), (50, 10400469922), (79, 6582575900), (100, 5200234961), (158, 3291287950), (316, 1645643975), (395, 1316515180), (790, 658257590), (1580, 329128795), (1975, 263303036), (3950, 131651518), (5437, 95645300), (7900, 65825759), (10874, 47822650), (12107, 42952300), (21748, 23911325), (24214, 21476150), (27185, 19129060), (48428, 10738075), (54370, 9564530), (60535, 8590460), (108740, 4782265), (121070, 4295230), (135925, 3825812), (242140, 2147615), (271850, 1912906), (302675, 1718092), (429523, 1210700), (543700, 956453), (605350, 859046)]