204465688

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 487872000

約数和(自身を除く): 283406312

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 43, 56, 76, 82, 86, 109, 133, 152, 164, 172, 218, 266, 287, 301, 328, 344, 436, 532, 574, 602, 763, 779, 817, 872, 1064, 1148, 1204, 1526, 1558, 1634, 1763, 2071, 2296, 2408, 3052, 3116, 3268, 3526, 4142, 4469, 4687, 5453, 5719, 6104, 6232, 6536, 7052, 8284, 8938, 9374, 10906, 11438, 12341, 14104, 14497, 16568, 17876, 18748, 21812, 22876, 24682, 28994, 31283, 32809, 33497, 35752, 37496, 43624, 45752, 49364, 57988, 62566, 65618, 66994, 84911, 89053, 98728, 115976, 125132, 131236, 133988, 169822, 178106, 192167, 234479, 250264, 262472, 267976, 339644, 356212, 384334, 468958, 594377, 623371, 679288, 712424, 768668, 937916, 1188754, 1246742, 1345169, 1537336, 1875832, 2377508, 2493484, 2690338, 3651173, 4755016, 4986968, 5380676, 7302346, 10761352, 14604692, 25558211, 29209384, 51116422, 102232844, 204465688]

約数ペア:

[(1, 204465688), (2, 102232844), (4, 51116422), (7, 29209384), (8, 25558211), (14, 14604692), (19, 10761352), (28, 7302346), (38, 5380676), (41, 4986968), (43, 4755016), (56, 3651173), (76, 2690338), (82, 2493484), (86, 2377508), (109, 1875832), (133, 1537336), (152, 1345169), (164, 1246742), (172, 1188754), (218, 937916), (266, 768668), (287, 712424), (301, 679288), (328, 623371), (344, 594377), (436, 468958), (532, 384334), (574, 356212), (602, 339644), (763, 267976), (779, 262472), (817, 250264), (872, 234479), (1064, 192167), (1148, 178106), (1204, 169822), (1526, 133988), (1558, 131236), (1634, 125132), (1763, 115976), (2071, 98728), (2296, 89053), (2408, 84911), (3052, 66994), (3116, 65618), (3268, 62566), (3526, 57988), (4142, 49364), (4469, 45752), (4687, 43624), (5453, 37496), (5719, 35752), (6104, 33497), (6232, 32809), (6536, 31283), (7052, 28994), (8284, 24682), (8938, 22876), (9374, 21812), (10906, 18748), (11438, 17876), (12341, 16568), (14104, 14497)]