2078580020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 4842391680

約数和(自身を除く): 2763811660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 257, 379, 388, 485, 514, 758, 970, 1028, 1067, 1285, 1516, 1895, 1940, 2134, 2570, 2827, 3790, 4169, 4268, 5140, 5335, 5654, 7580, 8338, 10670, 11308, 14135, 16676, 20845, 21340, 24929, 28270, 36763, 41690, 49858, 56540, 73526, 83380, 97403, 99716, 124645, 147052, 183815, 194806, 249290, 274219, 367630, 389612, 404393, 487015, 498580, 548438, 735260, 808786, 974030, 1071433, 1096876, 1371095, 1617572, 1948060, 2021965, 2142866, 2742190, 4043930, 4285732, 5357165, 5484380, 8087860, 9448091, 10714330, 18896182, 21428660, 37792364, 47240455, 94480910, 103929001, 188961820, 207858002, 415716004, 519645005, 1039290010, 2078580020]

約数ペア:

[(1, 2078580020), (2, 1039290010), (4, 519645005), (5, 415716004), (10, 207858002), (11, 188961820), (20, 103929001), (22, 94480910), (44, 47240455), (55, 37792364), (97, 21428660), (110, 18896182), (194, 10714330), (220, 9448091), (257, 8087860), (379, 5484380), (388, 5357165), (485, 4285732), (514, 4043930), (758, 2742190), (970, 2142866), (1028, 2021965), (1067, 1948060), (1285, 1617572), (1516, 1371095), (1895, 1096876), (1940, 1071433), (2134, 974030), (2570, 808786), (2827, 735260), (3790, 548438), (4169, 498580), (4268, 487015), (5140, 404393), (5335, 389612), (5654, 367630), (7580, 274219), (8338, 249290), (10670, 194806), (11308, 183815), (14135, 147052), (16676, 124645), (20845, 99716), (21340, 97403), (24929, 83380), (28270, 73526), (36763, 56540), (41690, 49858)]