199900520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3169}}^1$

素因数の和:3282

約数の個数: 64

約数和(自身を含む): 479304000

約数和(自身を除く): 279403480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1577, 1660, 3154, 3169, 3320, 6308, 6338, 7885, 12616, 12676, 15770, 15845, 25352, 31540, 31690, 60211, 63080, 63380, 120422, 126760, 240844, 263027, 301055, 481688, 526054, 602110, 1052108, 1204220, 1315135, 2104216, 2408440, 2630270, 4997513, 5260540, 9995026, 10521080, 19990052, 24987565, 39980104, 49975130, 99950260, 199900520]

約数ペア:

[(1, 199900520), (2, 99950260), (4, 49975130), (5, 39980104), (8, 24987565), (10, 19990052), (19, 10521080), (20, 9995026), (38, 5260540), (40, 4997513), (76, 2630270), (83, 2408440), (95, 2104216), (152, 1315135), (166, 1204220), (190, 1052108), (332, 602110), (380, 526054), (415, 481688), (664, 301055), (760, 263027), (830, 240844), (1577, 126760), (1660, 120422), (3154, 63380), (3169, 63080), (3320, 60211), (6308, 31690), (6338, 31540), (7885, 25352), (12616, 15845), (12676, 15770)]