49939920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 169260000

約数和(自身を除く): 119320080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 499, 556, 695, 720, 834, 998, 1112, 1251, 1390, 1497, 1668, 1996, 2085, 2224, 2495, 2502, 2780, 2994, 3336, 3992, 4170, 4491, 4990, 5004, 5560, 5988, 6255, 6672, 7485, 7984, 8340, 8982, 9980, 10008, 11120, 11976, 12510, 14970, 16680, 17964, 19960, 20016, 22455, 23952, 25020, 29940, 33360, 35928, 39920, 44910, 50040, 59880, 69361, 71856, 89820, 100080, 119760, 138722, 179640, 208083, 277444, 346805, 359280, 416166, 554888, 624249, 693610, 832332, 1040415, 1109776, 1248498, 1387220, 1664664, 2080830, 2496996, 2774440, 3121245, 3329328, 4161660, 4993992, 5548880, 6242490, 8323320, 9987984, 12484980, 16646640, 24969960, 49939920]

約数ペア:

[(1, 49939920), (2, 24969960), (3, 16646640), (4, 12484980), (5, 9987984), (6, 8323320), (8, 6242490), (9, 5548880), (10, 4993992), (12, 4161660), (15, 3329328), (16, 3121245), (18, 2774440), (20, 2496996), (24, 2080830), (30, 1664664), (36, 1387220), (40, 1248498), (45, 1109776), (48, 1040415), (60, 832332), (72, 693610), (80, 624249), (90, 554888), (120, 416166), (139, 359280), (144, 346805), (180, 277444), (240, 208083), (278, 179640), (360, 138722), (417, 119760), (499, 100080), (556, 89820), (695, 71856), (720, 69361), (834, 59880), (998, 50040), (1112, 44910), (1251, 39920), (1390, 35928), (1497, 33360), (1668, 29940), (1996, 25020), (2085, 23952), (2224, 22455), (2495, 20016), (2502, 19960), (2780, 17964), (2994, 16680), (3336, 14970), (3992, 12510), (4170, 11976), (4491, 11120), (4990, 10008), (5004, 9980), (5560, 8982), (5988, 8340), (6255, 7984), (6672, 7485)]