198873040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 472934016

約数和(自身を除く): 274060976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 151, 163, 202, 302, 326, 404, 505, 604, 652, 755, 808, 815, 1010, 1208, 1304, 1510, 1616, 1630, 2020, 2416, 2608, 3020, 3260, 4040, 6040, 6520, 8080, 12080, 13040, 15251, 16463, 24613, 30502, 32926, 49226, 61004, 65852, 76255, 82315, 98452, 122008, 123065, 131704, 152510, 164630, 196904, 244016, 246130, 263408, 305020, 329260, 393808, 492260, 610040, 658520, 984520, 1220080, 1317040, 1969040, 2485913, 4971826, 9943652, 12429565, 19887304, 24859130, 39774608, 49718260, 99436520, 198873040]

約数ペア:

[(1, 198873040), (2, 99436520), (4, 49718260), (5, 39774608), (8, 24859130), (10, 19887304), (16, 12429565), (20, 9943652), (40, 4971826), (80, 2485913), (101, 1969040), (151, 1317040), (163, 1220080), (202, 984520), (302, 658520), (326, 610040), (404, 492260), (505, 393808), (604, 329260), (652, 305020), (755, 263408), (808, 246130), (815, 244016), (1010, 196904), (1208, 164630), (1304, 152510), (1510, 131704), (1616, 123065), (1630, 122008), (2020, 98452), (2416, 82315), (2608, 76255), (3020, 65852), (3260, 61004), (4040, 49226), (6040, 32926), (6520, 30502), (8080, 24613), (12080, 16463), (13040, 15251)]