401022800

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 999686016

約数和(自身を除く): 598663216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 83, 94, 100, 166, 188, 200, 235, 257, 332, 376, 400, 415, 470, 514, 664, 752, 830, 940, 1028, 1175, 1285, 1328, 1660, 1880, 2056, 2075, 2350, 2570, 3320, 3760, 3901, 4112, 4150, 4700, 5140, 6425, 6640, 7802, 8300, 9400, 10280, 12079, 12850, 15604, 16600, 18800, 19505, 20560, 21331, 24158, 25700, 31208, 33200, 39010, 42662, 48316, 51400, 60395, 62416, 78020, 85324, 96632, 97525, 102800, 106655, 120790, 156040, 170648, 193264, 195050, 213310, 241580, 301975, 312080, 341296, 390100, 426620, 483160, 533275, 603950, 780200, 853240, 966320, 1002557, 1066550, 1207900, 1560400, 1706480, 2005114, 2133100, 2415800, 4010228, 4266200, 4831600, 5012785, 8020456, 8532400, 10025570, 16040912, 20051140, 25063925, 40102280, 50127850, 80204560, 100255700, 200511400, 401022800]

約数ペア:

[(1, 401022800), (2, 200511400), (4, 100255700), (5, 80204560), (8, 50127850), (10, 40102280), (16, 25063925), (20, 20051140), (25, 16040912), (40, 10025570), (47, 8532400), (50, 8020456), (80, 5012785), (83, 4831600), (94, 4266200), (100, 4010228), (166, 2415800), (188, 2133100), (200, 2005114), (235, 1706480), (257, 1560400), (332, 1207900), (376, 1066550), (400, 1002557), (415, 966320), (470, 853240), (514, 780200), (664, 603950), (752, 533275), (830, 483160), (940, 426620), (1028, 390100), (1175, 341296), (1285, 312080), (1328, 301975), (1660, 241580), (1880, 213310), (2056, 195050), (2075, 193264), (2350, 170648), (2570, 156040), (3320, 120790), (3760, 106655), (3901, 102800), (4112, 97525), (4150, 96632), (4700, 85324), (5140, 78020), (6425, 62416), (6640, 60395), (7802, 51400), (8300, 48316), (9400, 42662), (10280, 39010), (12079, 33200), (12850, 31208), (15604, 25700), (16600, 24158), (18800, 21331), (19505, 20560)]