404005588

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 872501280

約数和(自身を除く): 468495692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 157, 196, 266, 314, 532, 628, 691, 931, 1099, 1382, 1862, 2198, 2764, 2983, 3724, 4396, 4837, 5966, 7693, 9674, 11932, 13129, 15386, 19348, 20881, 26258, 30772, 33859, 41762, 52516, 67718, 83524, 91903, 108487, 135436, 146167, 183806, 216974, 292334, 367612, 433948, 584668, 643321, 759409, 1286642, 1518818, 2061253, 2573284, 3037636, 4122506, 5315863, 8245012, 10631726, 14428771, 21263452, 28857542, 57715084, 101001397, 202002794, 404005588]

約数ペア:

[(1, 404005588), (2, 202002794), (4, 101001397), (7, 57715084), (14, 28857542), (19, 21263452), (28, 14428771), (38, 10631726), (49, 8245012), (76, 5315863), (98, 4122506), (133, 3037636), (157, 2573284), (196, 2061253), (266, 1518818), (314, 1286642), (532, 759409), (628, 643321), (691, 584668), (931, 433948), (1099, 367612), (1382, 292334), (1862, 216974), (2198, 183806), (2764, 146167), (2983, 135436), (3724, 108487), (4396, 91903), (4837, 83524), (5966, 67718), (7693, 52516), (9674, 41762), (11932, 33859), (13129, 30772), (15386, 26258), (19348, 20881)]