319178620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 683349408

約数和(自身を除く): 364170788

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 313, 335, 626, 670, 761, 1252, 1340, 1522, 1565, 3044, 3130, 3805, 6260, 7610, 15220, 20971, 41942, 50987, 83884, 101974, 104855, 203948, 209710, 238193, 254935, 419420, 476386, 509870, 952772, 1019740, 1190965, 2381930, 4763860, 15958931, 31917862, 63835724, 79794655, 159589310, 319178620]

約数ペア:

[(1, 319178620), (2, 159589310), (4, 79794655), (5, 63835724), (10, 31917862), (20, 15958931), (67, 4763860), (134, 2381930), (268, 1190965), (313, 1019740), (335, 952772), (626, 509870), (670, 476386), (761, 419420), (1252, 254935), (1340, 238193), (1522, 209710), (1565, 203948), (3044, 104855), (3130, 101974), (3805, 83884), (6260, 50987), (7610, 41942), (15220, 20971)]