319949968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4261}}^1$

素因数の和:4320

約数の個数: 60

約数和(自身を含む): 704738748

約数和(自身を除く): 384788780

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 494, 722, 988, 1444, 1976, 2888, 3952, 4261, 4693, 5776, 8522, 9386, 17044, 18772, 34088, 37544, 55393, 68176, 75088, 80959, 110786, 161918, 221572, 323836, 443144, 647672, 886288, 1052467, 1295344, 1538221, 2104934, 3076442, 4209868, 6152884, 8419736, 12305768, 16839472, 19996873, 24611536, 39993746, 79987492, 159974984, 319949968]

約数ペア:

[(1, 319949968), (2, 159974984), (4, 79987492), (8, 39993746), (13, 24611536), (16, 19996873), (19, 16839472), (26, 12305768), (38, 8419736), (52, 6152884), (76, 4209868), (104, 3076442), (152, 2104934), (208, 1538221), (247, 1295344), (304, 1052467), (361, 886288), (494, 647672), (722, 443144), (988, 323836), (1444, 221572), (1976, 161918), (2888, 110786), (3952, 80959), (4261, 75088), (4693, 68176), (5776, 55393), (8522, 37544), (9386, 34088), (17044, 18772)]