208335760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3343}}^1$

素因数の和:3416

約数の個数: 80

約数和(自身を含む): 522466560

約数和(自身を除く): 314130800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3343, 3895, 6232, 6686, 7790, 12464, 13372, 15580, 16715, 26744, 31160, 33430, 53488, 62320, 63517, 66860, 127034, 133720, 137063, 254068, 267440, 274126, 317585, 508136, 548252, 635170, 685315, 1016272, 1096504, 1270340, 1370630, 2193008, 2540680, 2604197, 2741260, 5081360, 5208394, 5482520, 10416788, 10965040, 13020985, 20833576, 26041970, 41667152, 52083940, 104167880, 208335760]

約数ペア:

[(1, 208335760), (2, 104167880), (4, 52083940), (5, 41667152), (8, 26041970), (10, 20833576), (16, 13020985), (19, 10965040), (20, 10416788), (38, 5482520), (40, 5208394), (41, 5081360), (76, 2741260), (80, 2604197), (82, 2540680), (95, 2193008), (152, 1370630), (164, 1270340), (190, 1096504), (205, 1016272), (304, 685315), (328, 635170), (380, 548252), (410, 508136), (656, 317585), (760, 274126), (779, 267440), (820, 254068), (1520, 137063), (1558, 133720), (1640, 127034), (3116, 66860), (3280, 63517), (3343, 62320), (3895, 53488), (6232, 33430), (6686, 31160), (7790, 26744), (12464, 16715), (13372, 15580)]