30751000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 86261760

約数和(自身を除く): 55510760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 125, 140, 161, 175, 184, 191, 200, 230, 250, 280, 322, 350, 382, 460, 500, 575, 644, 700, 764, 805, 875, 920, 955, 1000, 1150, 1288, 1337, 1400, 1528, 1610, 1750, 1910, 2300, 2674, 2875, 3220, 3500, 3820, 4025, 4393, 4600, 4775, 5348, 5750, 6440, 6685, 7000, 7640, 8050, 8786, 9550, 10696, 11500, 13370, 16100, 17572, 19100, 20125, 21965, 23000, 23875, 26740, 30751, 32200, 33425, 35144, 38200, 40250, 43930, 47750, 53480, 61502, 66850, 80500, 87860, 95500, 109825, 123004, 133700, 153755, 161000, 167125, 175720, 191000, 219650, 246008, 267400, 307510, 334250, 439300, 549125, 615020, 668500, 768775, 878600, 1098250, 1230040, 1337000, 1537550, 2196500, 3075100, 3843875, 4393000, 6150200, 7687750, 15375500, 30751000]

約数ペア:

[(1, 30751000), (2, 15375500), (4, 7687750), (5, 6150200), (7, 4393000), (8, 3843875), (10, 3075100), (14, 2196500), (20, 1537550), (23, 1337000), (25, 1230040), (28, 1098250), (35, 878600), (40, 768775), (46, 668500), (50, 615020), (56, 549125), (70, 439300), (92, 334250), (100, 307510), (115, 267400), (125, 246008), (140, 219650), (161, 191000), (175, 175720), (184, 167125), (191, 161000), (200, 153755), (230, 133700), (250, 123004), (280, 109825), (322, 95500), (350, 87860), (382, 80500), (460, 66850), (500, 61502), (575, 53480), (644, 47750), (700, 43930), (764, 40250), (805, 38200), (875, 35144), (920, 33425), (955, 32200), (1000, 30751), (1150, 26740), (1288, 23875), (1337, 23000), (1400, 21965), (1528, 20125), (1610, 19100), (1750, 17572), (1910, 16100), (2300, 13370), (2674, 11500), (2875, 10696), (3220, 9550), (3500, 8786), (3820, 8050), (4025, 7640), (4393, 7000), (4600, 6685), (4775, 6440), (5348, 5750)]