984978620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89381}}^1$

素因数の和:89438

約数の個数: 48

約数和(自身を含む): 2252426400

約数和(自身を除く): 1267447780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 89381, 178762, 357524, 446905, 893810, 1698239, 1787620, 2592049, 3396478, 5184098, 6792956, 8491195, 10368196, 12960245, 16982390, 25920490, 33964780, 49248931, 51840980, 98497862, 196995724, 246244655, 492489310, 984978620]

約数ペア:

[(1, 984978620), (2, 492489310), (4, 246244655), (5, 196995724), (10, 98497862), (19, 51840980), (20, 49248931), (29, 33964780), (38, 25920490), (58, 16982390), (76, 12960245), (95, 10368196), (116, 8491195), (145, 6792956), (190, 5184098), (290, 3396478), (380, 2592049), (551, 1787620), (580, 1698239), (1102, 893810), (2204, 446905), (2755, 357524), (5510, 178762), (11020, 89381)]