212499030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 518918400

約数和(自身を除く): 306419370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 139, 262, 278, 389, 393, 417, 655, 695, 778, 786, 834, 1167, 1310, 1390, 1945, 1965, 2085, 2334, 3890, 3930, 4170, 5835, 11670, 18209, 36418, 50959, 54071, 54627, 91045, 101918, 108142, 109254, 152877, 162213, 182090, 254795, 270355, 273135, 305754, 324426, 509590, 540710, 546270, 764385, 811065, 1528770, 1622130, 7083301, 14166602, 21249903, 35416505, 42499806, 70833010, 106249515, 212499030]

約数ペア:

[(1, 212499030), (2, 106249515), (3, 70833010), (5, 42499806), (6, 35416505), (10, 21249903), (15, 14166602), (30, 7083301), (131, 1622130), (139, 1528770), (262, 811065), (278, 764385), (389, 546270), (393, 540710), (417, 509590), (655, 324426), (695, 305754), (778, 273135), (786, 270355), (834, 254795), (1167, 182090), (1310, 162213), (1390, 152877), (1945, 109254), (1965, 108142), (2085, 101918), (2334, 91045), (3890, 54627), (3930, 54071), (4170, 50959), (5835, 36418), (11670, 18209)]