620124508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 1187101440

約数和(自身を除く): 566976932

約数列:

[1, 2, 4, 19, 38, 41, 71, 76, 82, 142, 164, 284, 779, 1349, 1558, 2698, 2803, 2911, 3116, 5396, 5606, 5822, 11212, 11644, 53257, 55309, 106514, 110618, 114923, 199013, 213028, 221236, 229846, 398026, 459692, 796052, 2183537, 3781247, 4367074, 7562494, 8159533, 8734148, 15124988, 16319066, 32638132, 155031127, 310062254, 620124508]

約数ペア:

[(1, 620124508), (2, 310062254), (4, 155031127), (19, 32638132), (38, 16319066), (41, 15124988), (71, 8734148), (76, 8159533), (82, 7562494), (142, 4367074), (164, 3781247), (284, 2183537), (779, 796052), (1349, 459692), (1558, 398026), (2698, 229846), (2803, 221236), (2911, 213028), (3116, 199013), (5396, 114923), (5606, 110618), (5822, 106514), (11212, 55309), (11644, 53257)]