22777820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 54232416

約数和(自身を除く): 31454596

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 293, 299, 338, 460, 586, 598, 676, 845, 1172, 1196, 1465, 1495, 1690, 2930, 2990, 3380, 3809, 3887, 5860, 5980, 6739, 7618, 7774, 13478, 15236, 15548, 19045, 19435, 26956, 33695, 38090, 38870, 49517, 67390, 76180, 77740, 87607, 99034, 134780, 175214, 198068, 247585, 350428, 438035, 495170, 876070, 990340, 1138891, 1752140, 2277782, 4555564, 5694455, 11388910, 22777820]

約数ペア:

[(1, 22777820), (2, 11388910), (4, 5694455), (5, 4555564), (10, 2277782), (13, 1752140), (20, 1138891), (23, 990340), (26, 876070), (46, 495170), (52, 438035), (65, 350428), (92, 247585), (115, 198068), (130, 175214), (169, 134780), (230, 99034), (260, 87607), (293, 77740), (299, 76180), (338, 67390), (460, 49517), (586, 38870), (598, 38090), (676, 33695), (845, 26956), (1172, 19435), (1196, 19045), (1465, 15548), (1495, 15236), (1690, 13478), (2930, 7774), (2990, 7618), (3380, 6739), (3809, 5980), (3887, 5860)]