149664280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 350542080

約数和(自身を除く): 200877800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 881, 1096, 1240, 1370, 1762, 2740, 3524, 4247, 4405, 5480, 7048, 8494, 8810, 16988, 17620, 21235, 27311, 33976, 35240, 42470, 54622, 84940, 109244, 120697, 136555, 169880, 218488, 241394, 273110, 482788, 546220, 603485, 965576, 1092440, 1206970, 2413940, 3741607, 4827880, 7483214, 14966428, 18708035, 29932856, 37416070, 74832140, 149664280]

約数ペア:

[(1, 149664280), (2, 74832140), (4, 37416070), (5, 29932856), (8, 18708035), (10, 14966428), (20, 7483214), (31, 4827880), (40, 3741607), (62, 2413940), (124, 1206970), (137, 1092440), (155, 965576), (248, 603485), (274, 546220), (310, 482788), (548, 273110), (620, 241394), (685, 218488), (881, 169880), (1096, 136555), (1240, 120697), (1370, 109244), (1762, 84940), (2740, 54622), (3524, 42470), (4247, 35240), (4405, 33976), (5480, 27311), (7048, 21235), (8494, 17620), (8810, 16988)]