253242500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 656040000

約数和(自身を除く): 402797500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 125, 140, 145, 175, 203, 250, 290, 350, 406, 499, 500, 580, 625, 700, 725, 812, 875, 998, 1015, 1250, 1450, 1750, 1996, 2030, 2495, 2500, 2900, 3493, 3500, 3625, 4060, 4375, 4990, 5075, 6986, 7250, 8750, 9980, 10150, 12475, 13972, 14471, 14500, 17465, 17500, 18125, 20300, 24950, 25375, 28942, 34930, 36250, 49900, 50750, 57884, 62375, 69860, 72355, 72500, 87325, 101297, 101500, 124750, 126875, 144710, 174650, 202594, 249500, 253750, 289420, 311875, 349300, 361775, 405188, 436625, 506485, 507500, 623750, 723550, 873250, 1012970, 1247500, 1447100, 1746500, 1808875, 2025940, 2183125, 2532425, 3617750, 4366250, 5064850, 7235500, 8732500, 9044375, 10129700, 12662125, 18088750, 25324250, 36177500, 50648500, 63310625, 126621250, 253242500]

約数ペア:

[(1, 253242500), (2, 126621250), (4, 63310625), (5, 50648500), (7, 36177500), (10, 25324250), (14, 18088750), (20, 12662125), (25, 10129700), (28, 9044375), (29, 8732500), (35, 7235500), (50, 5064850), (58, 4366250), (70, 3617750), (100, 2532425), (116, 2183125), (125, 2025940), (140, 1808875), (145, 1746500), (175, 1447100), (203, 1247500), (250, 1012970), (290, 873250), (350, 723550), (406, 623750), (499, 507500), (500, 506485), (580, 436625), (625, 405188), (700, 361775), (725, 349300), (812, 311875), (875, 289420), (998, 253750), (1015, 249500), (1250, 202594), (1450, 174650), (1750, 144710), (1996, 126875), (2030, 124750), (2495, 101500), (2500, 101297), (2900, 87325), (3493, 72500), (3500, 72355), (3625, 69860), (4060, 62375), (4375, 57884), (4990, 50750), (5075, 49900), (6986, 36250), (7250, 34930), (8750, 28942), (9980, 25375), (10150, 24950), (12475, 20300), (13972, 18125), (14471, 17500), (14500, 17465)]