42878440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 116121600

約数和(自身を除く): 73243160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 223, 230, 253, 380, 418, 437, 440, 446, 460, 506, 760, 836, 874, 892, 920, 1012, 1045, 1115, 1265, 1672, 1748, 1784, 2024, 2090, 2185, 2230, 2453, 2530, 3496, 4180, 4237, 4370, 4460, 4807, 4906, 5060, 5129, 8360, 8474, 8740, 8920, 9614, 9812, 10120, 10258, 12265, 16948, 17480, 19228, 19624, 20516, 21185, 24035, 24530, 25645, 33896, 38456, 41032, 42370, 46607, 48070, 49060, 51290, 56419, 84740, 93214, 96140, 97451, 98120, 102580, 112838, 169480, 186428, 192280, 194902, 205160, 225676, 233035, 282095, 372856, 389804, 451352, 466070, 487255, 564190, 779608, 932140, 974510, 1071961, 1128380, 1864280, 1949020, 2143922, 2256760, 3898040, 4287844, 5359805, 8575688, 10719610, 21439220, 42878440]

約数ペア:

[(1, 42878440), (2, 21439220), (4, 10719610), (5, 8575688), (8, 5359805), (10, 4287844), (11, 3898040), (19, 2256760), (20, 2143922), (22, 1949020), (23, 1864280), (38, 1128380), (40, 1071961), (44, 974510), (46, 932140), (55, 779608), (76, 564190), (88, 487255), (92, 466070), (95, 451352), (110, 389804), (115, 372856), (152, 282095), (184, 233035), (190, 225676), (209, 205160), (220, 194902), (223, 192280), (230, 186428), (253, 169480), (380, 112838), (418, 102580), (437, 98120), (440, 97451), (446, 96140), (460, 93214), (506, 84740), (760, 56419), (836, 51290), (874, 49060), (892, 48070), (920, 46607), (1012, 42370), (1045, 41032), (1115, 38456), (1265, 33896), (1672, 25645), (1748, 24530), (1784, 24035), (2024, 21185), (2090, 20516), (2185, 19624), (2230, 19228), (2453, 17480), (2530, 16948), (3496, 12265), (4180, 10258), (4237, 10120), (4370, 9812), (4460, 9614), (4807, 8920), (4906, 8740), (5060, 8474), (5129, 8360)]