201538880

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 112

約数和(自身を含む): 506943360

約数和(自身を除く): 305404480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 139, 160, 184, 197, 230, 278, 320, 368, 394, 460, 556, 695, 736, 788, 920, 985, 1112, 1390, 1472, 1576, 1840, 1970, 2224, 2780, 3152, 3197, 3680, 3940, 4448, 4531, 5560, 6304, 6394, 7360, 7880, 8896, 9062, 11120, 12608, 12788, 15760, 15985, 18124, 22240, 22655, 25576, 27383, 31520, 31970, 36248, 44480, 45310, 51152, 54766, 63040, 63940, 72496, 90620, 102304, 109532, 127880, 136915, 144992, 181240, 204608, 219064, 255760, 273830, 289984, 362480, 438128, 511520, 547660, 629809, 724960, 876256, 1023040, 1095320, 1259618, 1449920, 1752512, 2190640, 2519236, 3149045, 4381280, 5038472, 6298090, 8762560, 10076944, 12596180, 20153888, 25192360, 40307776, 50384720, 100769440, 201538880]

約数ペア:

[(1, 201538880), (2, 100769440), (4, 50384720), (5, 40307776), (8, 25192360), (10, 20153888), (16, 12596180), (20, 10076944), (23, 8762560), (32, 6298090), (40, 5038472), (46, 4381280), (64, 3149045), (80, 2519236), (92, 2190640), (115, 1752512), (139, 1449920), (160, 1259618), (184, 1095320), (197, 1023040), (230, 876256), (278, 724960), (320, 629809), (368, 547660), (394, 511520), (460, 438128), (556, 362480), (695, 289984), (736, 273830), (788, 255760), (920, 219064), (985, 204608), (1112, 181240), (1390, 144992), (1472, 136915), (1576, 127880), (1840, 109532), (1970, 102304), (2224, 90620), (2780, 72496), (3152, 63940), (3197, 63040), (3680, 54766), (3940, 51152), (4448, 45310), (4531, 44480), (5560, 36248), (6304, 31970), (6394, 31520), (7360, 27383), (7880, 25576), (8896, 22655), (9062, 22240), (11120, 18124), (12608, 15985), (12788, 15760)]