25293800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 71563500

約数和(自身を除く): 46269700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 89, 98, 100, 116, 140, 145, 175, 178, 196, 200, 203, 232, 245, 280, 290, 350, 356, 392, 406, 445, 490, 580, 623, 700, 712, 725, 812, 890, 980, 1015, 1160, 1225, 1246, 1400, 1421, 1450, 1624, 1780, 1960, 2030, 2225, 2450, 2492, 2581, 2842, 2900, 3115, 3560, 4060, 4361, 4450, 4900, 4984, 5075, 5162, 5684, 5800, 6230, 7105, 8120, 8722, 8900, 9800, 10150, 10324, 11368, 12460, 12905, 14210, 15575, 17444, 17800, 18067, 20300, 20648, 21805, 24920, 25810, 28420, 31150, 34888, 35525, 36134, 40600, 43610, 51620, 56840, 62300, 64525, 71050, 72268, 87220, 90335, 103240, 109025, 124600, 126469, 129050, 142100, 144536, 174440, 180670, 218050, 252938, 258100, 284200, 361340, 436100, 451675, 505876, 516200, 632345, 722680, 872200, 903350, 1011752, 1264690, 1806700, 2529380, 3161725, 3613400, 5058760, 6323450, 12646900, 25293800]

約数ペア:

[(1, 25293800), (2, 12646900), (4, 6323450), (5, 5058760), (7, 3613400), (8, 3161725), (10, 2529380), (14, 1806700), (20, 1264690), (25, 1011752), (28, 903350), (29, 872200), (35, 722680), (40, 632345), (49, 516200), (50, 505876), (56, 451675), (58, 436100), (70, 361340), (89, 284200), (98, 258100), (100, 252938), (116, 218050), (140, 180670), (145, 174440), (175, 144536), (178, 142100), (196, 129050), (200, 126469), (203, 124600), (232, 109025), (245, 103240), (280, 90335), (290, 87220), (350, 72268), (356, 71050), (392, 64525), (406, 62300), (445, 56840), (490, 51620), (580, 43610), (623, 40600), (700, 36134), (712, 35525), (725, 34888), (812, 31150), (890, 28420), (980, 25810), (1015, 24920), (1160, 21805), (1225, 20648), (1246, 20300), (1400, 18067), (1421, 17800), (1450, 17444), (1624, 15575), (1780, 14210), (1960, 12905), (2030, 12460), (2225, 11368), (2450, 10324), (2492, 10150), (2581, 9800), (2842, 8900), (2900, 8722), (3115, 8120), (3560, 7105), (4060, 6230), (4361, 5800), (4450, 5684), (4900, 5162), (4984, 5075)]