209788020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89653}}^1$

素因数の和:89681

約数の個数: 72

約数和(自身を含む): 685315176

約数和(自身を除く): 475527156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 89653, 179306, 268959, 358612, 448265, 537918, 806877, 896530, 1075836, 1165489, 1344795, 1613754, 1793060, 2330978, 2689590, 3227508, 3496467, 4034385, 4661956, 5379180, 5827445, 6992934, 8068770, 10489401, 11654890, 13985868, 16137540, 17482335, 20978802, 23309780, 34964670, 41957604, 52447005, 69929340, 104894010, 209788020]

約数ペア:

[(1, 209788020), (2, 104894010), (3, 69929340), (4, 52447005), (5, 41957604), (6, 34964670), (9, 23309780), (10, 20978802), (12, 17482335), (13, 16137540), (15, 13985868), (18, 11654890), (20, 10489401), (26, 8068770), (30, 6992934), (36, 5827445), (39, 5379180), (45, 4661956), (52, 4034385), (60, 3496467), (65, 3227508), (78, 2689590), (90, 2330978), (117, 1793060), (130, 1613754), (156, 1344795), (180, 1165489), (195, 1075836), (234, 896530), (260, 806877), (390, 537918), (468, 448265), (585, 358612), (780, 268959), (1170, 179306), (2340, 89653)]