78408400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 220860864

約数和(自身を除く): 142452464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 164, 175, 200, 205, 280, 287, 328, 350, 400, 410, 560, 574, 656, 683, 700, 820, 1025, 1148, 1366, 1400, 1435, 1640, 2050, 2296, 2732, 2800, 2870, 3280, 3415, 4100, 4592, 4781, 5464, 5740, 6830, 7175, 8200, 9562, 10928, 11480, 13660, 14350, 16400, 17075, 19124, 22960, 23905, 27320, 28003, 28700, 34150, 38248, 47810, 54640, 56006, 57400, 68300, 76496, 95620, 112012, 114800, 119525, 136600, 140015, 191240, 196021, 224024, 239050, 273200, 280030, 382480, 392042, 448048, 478100, 560060, 700075, 784084, 956200, 980105, 1120120, 1400150, 1568168, 1912400, 1960210, 2240240, 2800300, 3136336, 3920420, 4900525, 5600600, 7840840, 9801050, 11201200, 15681680, 19602100, 39204200, 78408400]

約数ペア:

[(1, 78408400), (2, 39204200), (4, 19602100), (5, 15681680), (7, 11201200), (8, 9801050), (10, 7840840), (14, 5600600), (16, 4900525), (20, 3920420), (25, 3136336), (28, 2800300), (35, 2240240), (40, 1960210), (41, 1912400), (50, 1568168), (56, 1400150), (70, 1120120), (80, 980105), (82, 956200), (100, 784084), (112, 700075), (140, 560060), (164, 478100), (175, 448048), (200, 392042), (205, 382480), (280, 280030), (287, 273200), (328, 239050), (350, 224024), (400, 196021), (410, 191240), (560, 140015), (574, 136600), (656, 119525), (683, 114800), (700, 112012), (820, 95620), (1025, 76496), (1148, 68300), (1366, 57400), (1400, 56006), (1435, 54640), (1640, 47810), (2050, 38248), (2296, 34150), (2732, 28700), (2800, 28003), (2870, 27320), (3280, 23905), (3415, 22960), (4100, 19124), (4592, 17075), (4781, 16400), (5464, 14350), (5740, 13660), (6830, 11480), (7175, 10928), (8200, 9562)]