228890188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 434649600

約数和(自身を除く): 205759412

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 139, 188, 278, 461, 556, 893, 922, 1786, 1844, 2641, 3572, 5282, 6533, 8759, 10564, 13066, 17518, 21667, 26132, 35036, 43334, 64079, 86668, 124127, 128158, 248254, 256316, 411673, 496508, 823346, 1217501, 1646692, 2435002, 3011713, 4870004, 6023426, 12046852, 57222547, 114445094, 228890188]

約数ペア:

[(1, 228890188), (2, 114445094), (4, 57222547), (19, 12046852), (38, 6023426), (47, 4870004), (76, 3011713), (94, 2435002), (139, 1646692), (188, 1217501), (278, 823346), (461, 496508), (556, 411673), (893, 256316), (922, 248254), (1786, 128158), (1844, 124127), (2641, 86668), (3572, 64079), (5282, 43334), (6533, 35036), (8759, 26132), (10564, 21667), (13066, 17518)]