440343400

素因数分解:

$2^3\times 5^2\times 7^5\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 1203539040

約数和(自身を除く): 763195640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 131, 140, 175, 196, 200, 245, 262, 280, 343, 350, 392, 490, 524, 655, 686, 700, 917, 980, 1048, 1225, 1310, 1372, 1400, 1715, 1834, 1960, 2401, 2450, 2620, 2744, 3275, 3430, 3668, 4585, 4802, 4900, 5240, 6419, 6550, 6860, 7336, 8575, 9170, 9604, 9800, 12005, 12838, 13100, 13720, 16807, 17150, 18340, 19208, 22925, 24010, 25676, 26200, 32095, 33614, 34300, 36680, 44933, 45850, 48020, 51352, 60025, 64190, 67228, 68600, 84035, 89866, 91700, 96040, 120050, 128380, 134456, 160475, 168070, 179732, 183400, 224665, 240100, 256760, 314531, 320950, 336140, 359464, 420175, 449330, 480200, 629062, 641900, 672280, 840350, 898660, 1123325, 1258124, 1283800, 1572655, 1680700, 1797320, 2201717, 2246650, 2516248, 3145310, 3361400, 4403434, 4493300, 6290620, 7863275, 8806868, 8986600, 11008585, 12581240, 15726550, 17613736, 22017170, 31453100, 44034340, 55042925, 62906200, 88068680, 110085850, 220171700, 440343400]

約数ペア:

[(1, 440343400), (2, 220171700), (4, 110085850), (5, 88068680), (7, 62906200), (8, 55042925), (10, 44034340), (14, 31453100), (20, 22017170), (25, 17613736), (28, 15726550), (35, 12581240), (40, 11008585), (49, 8986600), (50, 8806868), (56, 7863275), (70, 6290620), (98, 4493300), (100, 4403434), (131, 3361400), (140, 3145310), (175, 2516248), (196, 2246650), (200, 2201717), (245, 1797320), (262, 1680700), (280, 1572655), (343, 1283800), (350, 1258124), (392, 1123325), (490, 898660), (524, 840350), (655, 672280), (686, 641900), (700, 629062), (917, 480200), (980, 449330), (1048, 420175), (1225, 359464), (1310, 336140), (1372, 320950), (1400, 314531), (1715, 256760), (1834, 240100), (1960, 224665), (2401, 183400), (2450, 179732), (2620, 168070), (2744, 160475), (3275, 134456), (3430, 128380), (3668, 120050), (4585, 96040), (4802, 91700), (4900, 89866), (5240, 84035), (6419, 68600), (6550, 67228), (6860, 64190), (7336, 60025), (8575, 51352), (9170, 48020), (9604, 45850), (9800, 44933), (12005, 36680), (12838, 34300), (13100, 33614), (13720, 32095), (16807, 26200), (17150, 25676), (18340, 24010), (19208, 22925)]