490613972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 928898880

約数和(自身を除く): 438284908

約数列:

[1, 2, 4, 19, 38, 61, 76, 97, 122, 194, 244, 388, 1091, 1159, 1843, 2182, 2318, 3686, 4364, 4636, 5917, 7372, 11834, 20729, 23668, 41458, 66551, 82916, 105827, 112423, 133102, 211654, 224846, 266204, 423308, 449692, 1264469, 2010713, 2528938, 4021426, 5057876, 6455447, 8042852, 12910894, 25821788, 122653493, 245306986, 490613972]

約数ペア:

[(1, 490613972), (2, 245306986), (4, 122653493), (19, 25821788), (38, 12910894), (61, 8042852), (76, 6455447), (97, 5057876), (122, 4021426), (194, 2528938), (244, 2010713), (388, 1264469), (1091, 449692), (1159, 423308), (1843, 266204), (2182, 224846), (2318, 211654), (3686, 133102), (4364, 112423), (4636, 105827), (5917, 82916), (7372, 66551), (11834, 41458), (20729, 23668)]