77899220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2741}}^1$

素因数の和:2793

約数の個数: 72

約数和(自身を含む): 196930440

約数和(自身を除く): 119031220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2741, 2842, 4060, 5482, 5684, 7105, 10964, 13705, 14210, 19187, 27410, 28420, 38374, 54820, 76748, 79489, 95935, 134309, 158978, 191870, 268618, 317956, 383740, 397445, 537236, 556423, 671545, 794890, 1112846, 1343090, 1589780, 2225692, 2686180, 2782115, 3894961, 5564230, 7789922, 11128460, 15579844, 19474805, 38949610, 77899220]

約数ペア:

[(1, 77899220), (2, 38949610), (4, 19474805), (5, 15579844), (7, 11128460), (10, 7789922), (14, 5564230), (20, 3894961), (28, 2782115), (29, 2686180), (35, 2225692), (49, 1589780), (58, 1343090), (70, 1112846), (98, 794890), (116, 671545), (140, 556423), (145, 537236), (196, 397445), (203, 383740), (245, 317956), (290, 268618), (406, 191870), (490, 158978), (580, 134309), (812, 95935), (980, 79489), (1015, 76748), (1421, 54820), (2030, 38374), (2741, 28420), (2842, 27410), (4060, 19187), (5482, 14210), (5684, 13705), (7105, 10964)]