198779800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 489254400

約数和(自身を除く): 290474600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 79, 92, 100, 115, 158, 184, 200, 230, 316, 395, 460, 547, 575, 632, 790, 920, 1094, 1150, 1580, 1817, 1975, 2188, 2300, 2735, 3160, 3634, 3950, 4376, 4600, 5470, 7268, 7900, 9085, 10940, 12581, 13675, 14536, 15800, 18170, 21880, 25162, 27350, 36340, 43213, 45425, 50324, 54700, 62905, 72680, 86426, 90850, 100648, 109400, 125810, 172852, 181700, 216065, 251620, 314525, 345704, 363400, 432130, 503240, 629050, 864260, 993899, 1080325, 1258100, 1728520, 1987798, 2160650, 2516200, 3975596, 4321300, 4969495, 7951192, 8642600, 9938990, 19877980, 24847475, 39755960, 49694950, 99389900, 198779800]

約数ペア:

[(1, 198779800), (2, 99389900), (4, 49694950), (5, 39755960), (8, 24847475), (10, 19877980), (20, 9938990), (23, 8642600), (25, 7951192), (40, 4969495), (46, 4321300), (50, 3975596), (79, 2516200), (92, 2160650), (100, 1987798), (115, 1728520), (158, 1258100), (184, 1080325), (200, 993899), (230, 864260), (316, 629050), (395, 503240), (460, 432130), (547, 363400), (575, 345704), (632, 314525), (790, 251620), (920, 216065), (1094, 181700), (1150, 172852), (1580, 125810), (1817, 109400), (1975, 100648), (2188, 90850), (2300, 86426), (2735, 72680), (3160, 62905), (3634, 54700), (3950, 50324), (4376, 45425), (4600, 43213), (5470, 36340), (7268, 27350), (7900, 25162), (9085, 21880), (10940, 18170), (12581, 15800), (13675, 14536)]