245427812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 509712000

約数和(自身を除く): 264284188

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 409, 739, 812, 818, 1478, 1636, 2863, 2956, 5173, 5726, 10346, 11452, 11861, 20692, 21431, 23722, 42862, 47444, 83027, 85724, 150017, 166054, 300034, 302251, 332108, 600068, 604502, 1209004, 2115757, 4231514, 8463028, 8765279, 17530558, 35061116, 61356953, 122713906, 245427812]

約数ペア:

[(1, 245427812), (2, 122713906), (4, 61356953), (7, 35061116), (14, 17530558), (28, 8765279), (29, 8463028), (58, 4231514), (116, 2115757), (203, 1209004), (406, 604502), (409, 600068), (739, 332108), (812, 302251), (818, 300034), (1478, 166054), (1636, 150017), (2863, 85724), (2956, 83027), (5173, 47444), (5726, 42862), (10346, 23722), (11452, 21431), (11861, 20692)]