1922800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 120

約数和(自身を含む): 5535360

約数和(自身を除く): 3612560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 25, 38, 40, 44, 46, 50, 55, 76, 80, 88, 92, 95, 100, 110, 115, 152, 176, 184, 190, 200, 209, 220, 230, 253, 275, 304, 368, 380, 400, 418, 437, 440, 460, 475, 506, 550, 575, 760, 836, 874, 880, 920, 950, 1012, 1045, 1100, 1150, 1265, 1520, 1672, 1748, 1840, 1900, 2024, 2090, 2185, 2200, 2300, 2530, 3344, 3496, 3800, 4048, 4180, 4370, 4400, 4600, 4807, 5060, 5225, 6325, 6992, 7600, 8360, 8740, 9200, 9614, 10120, 10450, 10925, 12650, 16720, 17480, 19228, 20240, 20900, 21850, 24035, 25300, 34960, 38456, 41800, 43700, 48070, 50600, 76912, 83600, 87400, 96140, 101200, 120175, 174800, 192280, 240350, 384560, 480700, 961400, 1922800]

約数ペア:

[(1, 1922800), (2, 961400), (4, 480700), (5, 384560), (8, 240350), (10, 192280), (11, 174800), (16, 120175), (19, 101200), (20, 96140), (22, 87400), (23, 83600), (25, 76912), (38, 50600), (40, 48070), (44, 43700), (46, 41800), (50, 38456), (55, 34960), (76, 25300), (80, 24035), (88, 21850), (92, 20900), (95, 20240), (100, 19228), (110, 17480), (115, 16720), (152, 12650), (176, 10925), (184, 10450), (190, 10120), (200, 9614), (209, 9200), (220, 8740), (230, 8360), (253, 7600), (275, 6992), (304, 6325), (368, 5225), (380, 5060), (400, 4807), (418, 4600), (437, 4400), (440, 4370), (460, 4180), (475, 4048), (506, 3800), (550, 3496), (575, 3344), (760, 2530), (836, 2300), (874, 2200), (880, 2185), (920, 2090), (950, 2024), (1012, 1900), (1045, 1840), (1100, 1748), (1150, 1672), (1265, 1520)]