49719880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 134991360

約数和(自身を除く): 85271480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 61, 70, 71, 82, 122, 140, 142, 164, 205, 244, 280, 284, 287, 305, 328, 355, 410, 427, 488, 497, 568, 574, 610, 710, 820, 854, 994, 1148, 1220, 1420, 1435, 1640, 1708, 1988, 2135, 2296, 2440, 2485, 2501, 2840, 2870, 2911, 3416, 3976, 4270, 4331, 4970, 5002, 5740, 5822, 8540, 8662, 9940, 10004, 11480, 11644, 12505, 14555, 17080, 17324, 17507, 19880, 20008, 20377, 21655, 23288, 25010, 29110, 30317, 34648, 35014, 40754, 43310, 50020, 58220, 60634, 70028, 81508, 86620, 87535, 100040, 101885, 116440, 121268, 140056, 151585, 163016, 173240, 175070, 177571, 203770, 242536, 303170, 350140, 355142, 407540, 606340, 700280, 710284, 815080, 887855, 1212680, 1242997, 1420568, 1775710, 2485994, 3551420, 4971988, 6214985, 7102840, 9943976, 12429970, 24859940, 49719880]

約数ペア:

[(1, 49719880), (2, 24859940), (4, 12429970), (5, 9943976), (7, 7102840), (8, 6214985), (10, 4971988), (14, 3551420), (20, 2485994), (28, 1775710), (35, 1420568), (40, 1242997), (41, 1212680), (56, 887855), (61, 815080), (70, 710284), (71, 700280), (82, 606340), (122, 407540), (140, 355142), (142, 350140), (164, 303170), (205, 242536), (244, 203770), (280, 177571), (284, 175070), (287, 173240), (305, 163016), (328, 151585), (355, 140056), (410, 121268), (427, 116440), (488, 101885), (497, 100040), (568, 87535), (574, 86620), (610, 81508), (710, 70028), (820, 60634), (854, 58220), (994, 50020), (1148, 43310), (1220, 40754), (1420, 35014), (1435, 34648), (1640, 30317), (1708, 29110), (1988, 25010), (2135, 23288), (2296, 21655), (2440, 20377), (2485, 20008), (2501, 19880), (2840, 17507), (2870, 17324), (2911, 17080), (3416, 14555), (3976, 12505), (4270, 11644), (4331, 11480), (4970, 10004), (5002, 9940), (5740, 8662), (5822, 8540)]