221384080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 528787584

約数和(自身を除く): 307403504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 103, 134, 206, 268, 335, 401, 412, 515, 536, 670, 802, 824, 1030, 1072, 1340, 1604, 1648, 2005, 2060, 2680, 3208, 4010, 4120, 5360, 6416, 6901, 8020, 8240, 13802, 16040, 26867, 27604, 32080, 34505, 41303, 53734, 55208, 69010, 82606, 107468, 110416, 134335, 138020, 165212, 206515, 214936, 268670, 276040, 330424, 413030, 429872, 537340, 552080, 660848, 826060, 1074680, 1652120, 2149360, 2767301, 3304240, 5534602, 11069204, 13836505, 22138408, 27673010, 44276816, 55346020, 110692040, 221384080]

約数ペア:

[(1, 221384080), (2, 110692040), (4, 55346020), (5, 44276816), (8, 27673010), (10, 22138408), (16, 13836505), (20, 11069204), (40, 5534602), (67, 3304240), (80, 2767301), (103, 2149360), (134, 1652120), (206, 1074680), (268, 826060), (335, 660848), (401, 552080), (412, 537340), (515, 429872), (536, 413030), (670, 330424), (802, 276040), (824, 268670), (1030, 214936), (1072, 206515), (1340, 165212), (1604, 138020), (1648, 134335), (2005, 110416), (2060, 107468), (2680, 82606), (3208, 69010), (4010, 55208), (4120, 53734), (5360, 41303), (6416, 34505), (6901, 32080), (8020, 27604), (8240, 26867), (13802, 16040)]