21822500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 57731520

約数和(自身を除く): 35909020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 43, 50, 58, 70, 86, 100, 116, 125, 140, 145, 172, 175, 203, 215, 250, 290, 301, 350, 406, 430, 500, 580, 602, 625, 700, 725, 812, 860, 875, 1015, 1075, 1204, 1247, 1250, 1450, 1505, 1750, 2030, 2150, 2494, 2500, 2900, 3010, 3500, 3625, 4060, 4300, 4375, 4988, 5075, 5375, 6020, 6235, 7250, 7525, 8729, 8750, 10150, 10750, 12470, 14500, 15050, 17458, 17500, 18125, 20300, 21500, 24940, 25375, 26875, 30100, 31175, 34916, 36250, 37625, 43645, 50750, 53750, 62350, 72500, 75250, 87290, 101500, 107500, 124700, 126875, 150500, 155875, 174580, 188125, 218225, 253750, 311750, 376250, 436450, 507500, 623500, 752500, 779375, 872900, 1091125, 1558750, 2182250, 3117500, 4364500, 5455625, 10911250, 21822500]

約数ペア:

[(1, 21822500), (2, 10911250), (4, 5455625), (5, 4364500), (7, 3117500), (10, 2182250), (14, 1558750), (20, 1091125), (25, 872900), (28, 779375), (29, 752500), (35, 623500), (43, 507500), (50, 436450), (58, 376250), (70, 311750), (86, 253750), (100, 218225), (116, 188125), (125, 174580), (140, 155875), (145, 150500), (172, 126875), (175, 124700), (203, 107500), (215, 101500), (250, 87290), (290, 75250), (301, 72500), (350, 62350), (406, 53750), (430, 50750), (500, 43645), (580, 37625), (602, 36250), (625, 34916), (700, 31175), (725, 30100), (812, 26875), (860, 25375), (875, 24940), (1015, 21500), (1075, 20300), (1204, 18125), (1247, 17500), (1250, 17458), (1450, 15050), (1505, 14500), (1750, 12470), (2030, 10750), (2150, 10150), (2494, 8750), (2500, 8729), (2900, 7525), (3010, 7250), (3500, 6235), (3625, 6020), (4060, 5375), (4300, 5075), (4375, 4988)]