221250560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 88

約数和(自身を含む): 538442880

約数和(自身を除く): 317192320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 547, 632, 640, 790, 1024, 1094, 1264, 1280, 1580, 2188, 2528, 2560, 2735, 3160, 4376, 5056, 5120, 5470, 6320, 8752, 10112, 10940, 12640, 17504, 20224, 21880, 25280, 35008, 40448, 43213, 43760, 50560, 70016, 80896, 86426, 87520, 101120, 140032, 172852, 175040, 202240, 216065, 280064, 345704, 350080, 404480, 432130, 560128, 691408, 700160, 864260, 1382816, 1400320, 1728520, 2765632, 2800640, 3457040, 5531264, 6914080, 11062528, 13828160, 22125056, 27656320, 44250112, 55312640, 110625280, 221250560]

約数ペア:

[(1, 221250560), (2, 110625280), (4, 55312640), (5, 44250112), (8, 27656320), (10, 22125056), (16, 13828160), (20, 11062528), (32, 6914080), (40, 5531264), (64, 3457040), (79, 2800640), (80, 2765632), (128, 1728520), (158, 1400320), (160, 1382816), (256, 864260), (316, 700160), (320, 691408), (395, 560128), (512, 432130), (547, 404480), (632, 350080), (640, 345704), (790, 280064), (1024, 216065), (1094, 202240), (1264, 175040), (1280, 172852), (1580, 140032), (2188, 101120), (2528, 87520), (2560, 86426), (2735, 80896), (3160, 70016), (4376, 50560), (5056, 43760), (5120, 43213), (5470, 40448), (6320, 35008), (8752, 25280), (10112, 21880), (10940, 20224), (12640, 17504)]