399680784

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 160

約数和(自身を含む): 1208553600

約数和(自身を除く): 808872816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 61, 72, 87, 108, 116, 122, 144, 174, 183, 216, 232, 244, 261, 348, 366, 432, 464, 488, 522, 523, 549, 696, 732, 783, 976, 1044, 1046, 1098, 1392, 1464, 1566, 1569, 1647, 1769, 2088, 2092, 2196, 2928, 3132, 3138, 3294, 3538, 4176, 4184, 4392, 4707, 5307, 6264, 6276, 6588, 7076, 8368, 8784, 9414, 10614, 12528, 12552, 13176, 14121, 14152, 15167, 15921, 18828, 21228, 25104, 26352, 28242, 28304, 30334, 31842, 31903, 37656, 42456, 45501, 47763, 56484, 60668, 63684, 63806, 75312, 84912, 91002, 95526, 95709, 112968, 121336, 127368, 127612, 136503, 182004, 191052, 191418, 225936, 242672, 254736, 255224, 273006, 287127, 364008, 382104, 382836, 409509, 510448, 546012, 574254, 728016, 764208, 765672, 819018, 861381, 925187, 1092024, 1148508, 1531344, 1638036, 1722762, 1850374, 2184048, 2297016, 2775561, 3276072, 3445524, 3700748, 4594032, 5551122, 6552144, 6891048, 7401496, 8326683, 11102244, 13782096, 14802992, 16653366, 22204488, 24980049, 33306732, 44408976, 49960098, 66613464, 99920196, 133226928, 199840392, 399680784]

約数ペア:

[(1, 399680784), (2, 199840392), (3, 133226928), (4, 99920196), (6, 66613464), (8, 49960098), (9, 44408976), (12, 33306732), (16, 24980049), (18, 22204488), (24, 16653366), (27, 14802992), (29, 13782096), (36, 11102244), (48, 8326683), (54, 7401496), (58, 6891048), (61, 6552144), (72, 5551122), (87, 4594032), (108, 3700748), (116, 3445524), (122, 3276072), (144, 2775561), (174, 2297016), (183, 2184048), (216, 1850374), (232, 1722762), (244, 1638036), (261, 1531344), (348, 1148508), (366, 1092024), (432, 925187), (464, 861381), (488, 819018), (522, 765672), (523, 764208), (549, 728016), (696, 574254), (732, 546012), (783, 510448), (976, 409509), (1044, 382836), (1046, 382104), (1098, 364008), (1392, 287127), (1464, 273006), (1566, 255224), (1569, 254736), (1647, 242672), (1769, 225936), (2088, 191418), (2092, 191052), (2196, 182004), (2928, 136503), (3132, 127612), (3138, 127368), (3294, 121336), (3538, 112968), (4176, 95709), (4184, 95526), (4392, 91002), (4707, 84912), (5307, 75312), (6264, 63806), (6276, 63684), (6588, 60668), (7076, 56484), (8368, 47763), (8784, 45501), (9414, 42456), (10614, 37656), (12528, 31903), (12552, 31842), (13176, 30334), (14121, 28304), (14152, 28242), (15167, 26352), (15921, 25104), (18828, 21228)]