885202900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1441

約数の個数: 72

約数和(自身を含む): 1968624000

約数和(自身を除く): 1083421100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 89, 100, 158, 178, 316, 356, 395, 445, 790, 890, 1259, 1580, 1780, 1975, 2225, 2518, 3950, 4450, 5036, 6295, 7031, 7900, 8900, 12590, 14062, 25180, 28124, 31475, 35155, 62950, 70310, 99461, 112051, 125900, 140620, 175775, 198922, 224102, 351550, 397844, 448204, 497305, 560255, 703100, 994610, 1120510, 1989220, 2241020, 2486525, 2801275, 4973050, 5602550, 8852029, 9946100, 11205100, 17704058, 35408116, 44260145, 88520290, 177040580, 221300725, 442601450, 885202900]

約数ペア:

[(1, 885202900), (2, 442601450), (4, 221300725), (5, 177040580), (10, 88520290), (20, 44260145), (25, 35408116), (50, 17704058), (79, 11205100), (89, 9946100), (100, 8852029), (158, 5602550), (178, 4973050), (316, 2801275), (356, 2486525), (395, 2241020), (445, 1989220), (790, 1120510), (890, 994610), (1259, 703100), (1580, 560255), (1780, 497305), (1975, 448204), (2225, 397844), (2518, 351550), (3950, 224102), (4450, 198922), (5036, 175775), (6295, 140620), (7031, 125900), (7900, 112051), (8900, 99461), (12590, 70310), (14062, 62950), (25180, 35155), (28124, 31475)]