368889499280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{181891}}^1$

素因数の和:182256

約数の個数: 80

約数和(自身を含む): 869615466048

約数和(自身を除く): 500725966768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 251, 404, 502, 505, 808, 1004, 1010, 1255, 1616, 2008, 2020, 2510, 4016, 4040, 5020, 8080, 10040, 20080, 25351, 50702, 101404, 126755, 181891, 202808, 253510, 363782, 405616, 507020, 727564, 909455, 1014040, 1455128, 1818910, 2028080, 2910256, 3637820, 7275640, 14551280, 18370991, 36741982, 45654641, 73483964, 91309282, 91854955, 146967928, 182618564, 183709910, 228273205, 293935856, 365237128, 367419820, 456546410, 730474256, 734839640, 913092820, 1469679280, 1826185640, 3652371280, 4611118741, 9222237482, 18444474964, 23055593705, 36888949928, 46111187410, 73777899856, 92222374820, 184444749640, 368889499280]

約数ペア:

[(1, 368889499280), (2, 184444749640), (4, 92222374820), (5, 73777899856), (8, 46111187410), (10, 36888949928), (16, 23055593705), (20, 18444474964), (40, 9222237482), (80, 4611118741), (101, 3652371280), (202, 1826185640), (251, 1469679280), (404, 913092820), (502, 734839640), (505, 730474256), (808, 456546410), (1004, 367419820), (1010, 365237128), (1255, 293935856), (1616, 228273205), (2008, 183709910), (2020, 182618564), (2510, 146967928), (4016, 91854955), (4040, 91309282), (5020, 73483964), (8080, 45654641), (10040, 36741982), (20080, 18370991), (25351, 14551280), (50702, 7275640), (101404, 3637820), (126755, 2910256), (181891, 2028080), (202808, 1818910), (253510, 1455128), (363782, 1014040), (405616, 909455), (507020, 727564)]