218501080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 590976000

約数和(自身を除く): 372474920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 203, 232, 280, 284, 290, 355, 379, 406, 497, 568, 580, 710, 758, 812, 994, 1015, 1160, 1420, 1516, 1624, 1895, 1988, 2030, 2059, 2485, 2653, 2840, 3032, 3790, 3976, 4060, 4118, 4970, 5306, 7580, 8120, 8236, 9940, 10295, 10612, 10991, 13265, 14413, 15160, 16472, 19880, 20590, 21224, 21982, 26530, 26909, 28826, 41180, 43964, 53060, 53818, 54955, 57652, 72065, 76937, 82360, 87928, 106120, 107636, 109910, 115304, 134545, 144130, 153874, 188363, 215272, 219820, 269090, 288260, 307748, 376726, 384685, 439640, 538180, 576520, 615496, 753452, 769370, 780361, 941815, 1076360, 1506904, 1538740, 1560722, 1883630, 3077480, 3121444, 3767260, 3901805, 5462527, 6242888, 7534520, 7803610, 10925054, 15607220, 21850108, 27312635, 31214440, 43700216, 54625270, 109250540, 218501080]

約数ペア:

[(1, 218501080), (2, 109250540), (4, 54625270), (5, 43700216), (7, 31214440), (8, 27312635), (10, 21850108), (14, 15607220), (20, 10925054), (28, 7803610), (29, 7534520), (35, 6242888), (40, 5462527), (56, 3901805), (58, 3767260), (70, 3121444), (71, 3077480), (116, 1883630), (140, 1560722), (142, 1538740), (145, 1506904), (203, 1076360), (232, 941815), (280, 780361), (284, 769370), (290, 753452), (355, 615496), (379, 576520), (406, 538180), (497, 439640), (568, 384685), (580, 376726), (710, 307748), (758, 288260), (812, 269090), (994, 219820), (1015, 215272), (1160, 188363), (1420, 153874), (1516, 144130), (1624, 134545), (1895, 115304), (1988, 109910), (2030, 107636), (2059, 106120), (2485, 87928), (2653, 82360), (2840, 76937), (3032, 72065), (3790, 57652), (3976, 54955), (4060, 53818), (4118, 53060), (4970, 43964), (5306, 41180), (7580, 28826), (8120, 26909), (8236, 26530), (9940, 21982), (10295, 21224), (10612, 20590), (10991, 19880), (13265, 16472), (14413, 15160)]