254893360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 654176880

約数和(自身を除く): 399283520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 317, 368, 380, 437, 460, 529, 634, 760, 874, 920, 1058, 1268, 1520, 1585, 1748, 1840, 2116, 2185, 2536, 2645, 3170, 3496, 4232, 4370, 5072, 5290, 6023, 6340, 6992, 7291, 8464, 8740, 10051, 10580, 12046, 12680, 14582, 17480, 20102, 21160, 24092, 25360, 29164, 30115, 34960, 36455, 40204, 42320, 48184, 50255, 58328, 60230, 72910, 80408, 96368, 100510, 116656, 120460, 138529, 145820, 160816, 167693, 201020, 240920, 277058, 291640, 335386, 402040, 481840, 554116, 583280, 670772, 692645, 804080, 838465, 1108232, 1341544, 1385290, 1676930, 2216464, 2683088, 2770580, 3186167, 3353860, 5541160, 6372334, 6707720, 11082320, 12744668, 13415440, 15930835, 25489336, 31861670, 50978672, 63723340, 127446680, 254893360]

約数ペア:

[(1, 254893360), (2, 127446680), (4, 63723340), (5, 50978672), (8, 31861670), (10, 25489336), (16, 15930835), (19, 13415440), (20, 12744668), (23, 11082320), (38, 6707720), (40, 6372334), (46, 5541160), (76, 3353860), (80, 3186167), (92, 2770580), (95, 2683088), (115, 2216464), (152, 1676930), (184, 1385290), (190, 1341544), (230, 1108232), (304, 838465), (317, 804080), (368, 692645), (380, 670772), (437, 583280), (460, 554116), (529, 481840), (634, 402040), (760, 335386), (874, 291640), (920, 277058), (1058, 240920), (1268, 201020), (1520, 167693), (1585, 160816), (1748, 145820), (1840, 138529), (2116, 120460), (2185, 116656), (2536, 100510), (2645, 96368), (3170, 80408), (3496, 72910), (4232, 60230), (4370, 58328), (5072, 50255), (5290, 48184), (6023, 42320), (6340, 40204), (6992, 36455), (7291, 34960), (8464, 30115), (8740, 29164), (10051, 25360), (10580, 24092), (12046, 21160), (12680, 20102), (14582, 17480)]