164715740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 408167424

約数和(自身を除く): 243451684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 73, 140, 142, 146, 227, 284, 292, 355, 365, 454, 497, 511, 710, 730, 908, 994, 1022, 1135, 1420, 1460, 1589, 1988, 2044, 2270, 2485, 2555, 3178, 4540, 4970, 5110, 5183, 6356, 7945, 9940, 10220, 10366, 15890, 16117, 16571, 20732, 25915, 31780, 32234, 33142, 36281, 51830, 64468, 66284, 72562, 80585, 82855, 103660, 112819, 115997, 145124, 161170, 165710, 181405, 225638, 231994, 322340, 331420, 362810, 451276, 463988, 564095, 579985, 725620, 1128190, 1159970, 1176541, 2256380, 2319940, 2353082, 4706164, 5882705, 8235787, 11765410, 16471574, 23530820, 32943148, 41178935, 82357870, 164715740]

約数ペア:

[(1, 164715740), (2, 82357870), (4, 41178935), (5, 32943148), (7, 23530820), (10, 16471574), (14, 11765410), (20, 8235787), (28, 5882705), (35, 4706164), (70, 2353082), (71, 2319940), (73, 2256380), (140, 1176541), (142, 1159970), (146, 1128190), (227, 725620), (284, 579985), (292, 564095), (355, 463988), (365, 451276), (454, 362810), (497, 331420), (511, 322340), (710, 231994), (730, 225638), (908, 181405), (994, 165710), (1022, 161170), (1135, 145124), (1420, 115997), (1460, 112819), (1589, 103660), (1988, 82855), (2044, 80585), (2270, 72562), (2485, 66284), (2555, 64468), (3178, 51830), (4540, 36281), (4970, 33142), (5110, 32234), (5183, 31780), (6356, 25915), (7945, 20732), (9940, 16571), (10220, 16117), (10366, 15890)]