490931880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1323

約数の個数: 128

約数和(自身を含む): 1559606400

約数和(自身を除く): 1068674520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 197, 228, 285, 380, 394, 456, 570, 591, 760, 788, 985, 1093, 1140, 1182, 1576, 1970, 2186, 2280, 2364, 2955, 3279, 3743, 3940, 4372, 4728, 5465, 5910, 6558, 7486, 7880, 8744, 10930, 11229, 11820, 13116, 14972, 16395, 18715, 20767, 21860, 22458, 23640, 26232, 29944, 32790, 37430, 41534, 43720, 44916, 56145, 62301, 65580, 74860, 83068, 89832, 103835, 112290, 124602, 131160, 149720, 166136, 207670, 215321, 224580, 249204, 311505, 415340, 430642, 449160, 498408, 623010, 645963, 830680, 861284, 1076605, 1246020, 1291926, 1722568, 2153210, 2492040, 2583852, 3229815, 4091099, 4306420, 5167704, 6459630, 8182198, 8612840, 12273297, 12919260, 16364396, 20455495, 24546594, 25838520, 32728792, 40910990, 49093188, 61366485, 81821980, 98186376, 122732970, 163643960, 245465940, 490931880]

約数ペア:

[(1, 490931880), (2, 245465940), (3, 163643960), (4, 122732970), (5, 98186376), (6, 81821980), (8, 61366485), (10, 49093188), (12, 40910990), (15, 32728792), (19, 25838520), (20, 24546594), (24, 20455495), (30, 16364396), (38, 12919260), (40, 12273297), (57, 8612840), (60, 8182198), (76, 6459630), (95, 5167704), (114, 4306420), (120, 4091099), (152, 3229815), (190, 2583852), (197, 2492040), (228, 2153210), (285, 1722568), (380, 1291926), (394, 1246020), (456, 1076605), (570, 861284), (591, 830680), (760, 645963), (788, 623010), (985, 498408), (1093, 449160), (1140, 430642), (1182, 415340), (1576, 311505), (1970, 249204), (2186, 224580), (2280, 215321), (2364, 207670), (2955, 166136), (3279, 149720), (3743, 131160), (3940, 124602), (4372, 112290), (4728, 103835), (5465, 89832), (5910, 83068), (6558, 74860), (7486, 65580), (7880, 62301), (8744, 56145), (10930, 44916), (11229, 43720), (11820, 41534), (13116, 37430), (14972, 32790), (16395, 29944), (18715, 26232), (20767, 23640), (21860, 22458)]