19752400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 52585920

約数和(自身を除く): 32833520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 92, 95, 100, 113, 115, 152, 184, 190, 200, 226, 230, 304, 368, 380, 400, 437, 452, 460, 475, 565, 575, 760, 874, 904, 920, 950, 1130, 1150, 1520, 1748, 1808, 1840, 1900, 2147, 2185, 2260, 2300, 2599, 2825, 3496, 3800, 4294, 4370, 4520, 4600, 5198, 5650, 6992, 7600, 8588, 8740, 9040, 9200, 10396, 10735, 10925, 11300, 12995, 17176, 17480, 20792, 21470, 21850, 22600, 25990, 34352, 34960, 41584, 42940, 43700, 45200, 49381, 51980, 53675, 64975, 85880, 87400, 98762, 103960, 107350, 129950, 171760, 174800, 197524, 207920, 214700, 246905, 259900, 395048, 429400, 493810, 519800, 790096, 858800, 987620, 1039600, 1234525, 1975240, 2469050, 3950480, 4938100, 9876200, 19752400]

約数ペア:

[(1, 19752400), (2, 9876200), (4, 4938100), (5, 3950480), (8, 2469050), (10, 1975240), (16, 1234525), (19, 1039600), (20, 987620), (23, 858800), (25, 790096), (38, 519800), (40, 493810), (46, 429400), (50, 395048), (76, 259900), (80, 246905), (92, 214700), (95, 207920), (100, 197524), (113, 174800), (115, 171760), (152, 129950), (184, 107350), (190, 103960), (200, 98762), (226, 87400), (230, 85880), (304, 64975), (368, 53675), (380, 51980), (400, 49381), (437, 45200), (452, 43700), (460, 42940), (475, 41584), (565, 34960), (575, 34352), (760, 25990), (874, 22600), (904, 21850), (920, 21470), (950, 20792), (1130, 17480), (1150, 17176), (1520, 12995), (1748, 11300), (1808, 10925), (1840, 10735), (1900, 10396), (2147, 9200), (2185, 9040), (2260, 8740), (2300, 8588), (2599, 7600), (2825, 6992), (3496, 5650), (3800, 5198), (4294, 4600), (4370, 4520)]