279424908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2503}}^1$

素因数の和:2963

約数の個数: 72

約数和(自身を含む): 809372928

約数和(自身を除く): 529948020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 443, 886, 1329, 1772, 2503, 2658, 3101, 3987, 5006, 5316, 6202, 7509, 7974, 9303, 10012, 12404, 15018, 15948, 17521, 18606, 22527, 27909, 30036, 35042, 37212, 45054, 52563, 55818, 70084, 90108, 105126, 111636, 157689, 210252, 315378, 630756, 1108829, 2217658, 3326487, 4435316, 6652974, 7761803, 9979461, 13305948, 15523606, 19958922, 23285409, 31047212, 39917844, 46570818, 69856227, 93141636, 139712454, 279424908]

約数ペア:

[(1, 279424908), (2, 139712454), (3, 93141636), (4, 69856227), (6, 46570818), (7, 39917844), (9, 31047212), (12, 23285409), (14, 19958922), (18, 15523606), (21, 13305948), (28, 9979461), (36, 7761803), (42, 6652974), (63, 4435316), (84, 3326487), (126, 2217658), (252, 1108829), (443, 630756), (886, 315378), (1329, 210252), (1772, 157689), (2503, 111636), (2658, 105126), (3101, 90108), (3987, 70084), (5006, 55818), (5316, 52563), (6202, 45054), (7509, 37212), (7974, 35042), (9303, 30036), (10012, 27909), (12404, 22527), (15018, 18606), (15948, 17521)]