142458428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 301190400

約数和(自身を除く): 158731972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 331, 532, 662, 809, 1324, 1618, 2317, 3236, 4634, 5663, 6289, 9268, 11326, 12578, 15371, 22652, 25156, 30742, 44023, 61484, 88046, 107597, 176092, 215194, 267779, 430388, 535558, 1071116, 1874453, 3748906, 5087801, 7497812, 10175602, 20351204, 35614607, 71229214, 142458428]

約数ペア:

[(1, 142458428), (2, 71229214), (4, 35614607), (7, 20351204), (14, 10175602), (19, 7497812), (28, 5087801), (38, 3748906), (76, 1874453), (133, 1071116), (266, 535558), (331, 430388), (532, 267779), (662, 215194), (809, 176092), (1324, 107597), (1618, 88046), (2317, 61484), (3236, 44023), (4634, 30742), (5663, 25156), (6289, 22652), (9268, 15371), (11326, 12578)]