667037180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{4783}}^1$

素因数の和:5178

約数の個数: 48

約数和(自身を含む): 1478830080

約数和(自身を除く): 811792900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 367, 380, 734, 1468, 1835, 3670, 4783, 6973, 7340, 9566, 13946, 19132, 23915, 27892, 34865, 47830, 69730, 90877, 95660, 139460, 181754, 363508, 454385, 908770, 1755361, 1817540, 3510722, 7021444, 8776805, 17553610, 33351859, 35107220, 66703718, 133407436, 166759295, 333518590, 667037180]

約数ペア:

[(1, 667037180), (2, 333518590), (4, 166759295), (5, 133407436), (10, 66703718), (19, 35107220), (20, 33351859), (38, 17553610), (76, 8776805), (95, 7021444), (190, 3510722), (367, 1817540), (380, 1755361), (734, 908770), (1468, 454385), (1835, 363508), (3670, 181754), (4783, 139460), (6973, 95660), (7340, 90877), (9566, 69730), (13946, 47830), (19132, 34865), (23915, 27892)]