12646900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 33396300

約数和(自身を除く): 20749400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 89, 98, 100, 116, 140, 145, 175, 178, 196, 203, 245, 290, 350, 356, 406, 445, 490, 580, 623, 700, 725, 812, 890, 980, 1015, 1225, 1246, 1421, 1450, 1780, 2030, 2225, 2450, 2492, 2581, 2842, 2900, 3115, 4060, 4361, 4450, 4900, 5075, 5162, 5684, 6230, 7105, 8722, 8900, 10150, 10324, 12460, 12905, 14210, 15575, 17444, 18067, 20300, 21805, 25810, 28420, 31150, 35525, 36134, 43610, 51620, 62300, 64525, 71050, 72268, 87220, 90335, 109025, 126469, 129050, 142100, 180670, 218050, 252938, 258100, 361340, 436100, 451675, 505876, 632345, 903350, 1264690, 1806700, 2529380, 3161725, 6323450, 12646900]

約数ペア:

[(1, 12646900), (2, 6323450), (4, 3161725), (5, 2529380), (7, 1806700), (10, 1264690), (14, 903350), (20, 632345), (25, 505876), (28, 451675), (29, 436100), (35, 361340), (49, 258100), (50, 252938), (58, 218050), (70, 180670), (89, 142100), (98, 129050), (100, 126469), (116, 109025), (140, 90335), (145, 87220), (175, 72268), (178, 71050), (196, 64525), (203, 62300), (245, 51620), (290, 43610), (350, 36134), (356, 35525), (406, 31150), (445, 28420), (490, 25810), (580, 21805), (623, 20300), (700, 18067), (725, 17444), (812, 15575), (890, 14210), (980, 12905), (1015, 12460), (1225, 10324), (1246, 10150), (1421, 8900), (1450, 8722), (1780, 7105), (2030, 6230), (2225, 5684), (2450, 5162), (2492, 5075), (2581, 4900), (2842, 4450), (2900, 4361), (3115, 4060)]