100188880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 255680064

約数和(自身を除く): 155491184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 443, 514, 880, 886, 1028, 1285, 1772, 2056, 2215, 2570, 2827, 3544, 4112, 4430, 4873, 5140, 5654, 7088, 8860, 9746, 10280, 11308, 14135, 17720, 19492, 20560, 22616, 24365, 28270, 35440, 38984, 45232, 48730, 56540, 77968, 97460, 113080, 113851, 194920, 226160, 227702, 389840, 455404, 569255, 910808, 1138510, 1252361, 1821616, 2277020, 2504722, 4554040, 5009444, 6261805, 9108080, 10018888, 12523610, 20037776, 25047220, 50094440, 100188880]

約数ペア:

[(1, 100188880), (2, 50094440), (4, 25047220), (5, 20037776), (8, 12523610), (10, 10018888), (11, 9108080), (16, 6261805), (20, 5009444), (22, 4554040), (40, 2504722), (44, 2277020), (55, 1821616), (80, 1252361), (88, 1138510), (110, 910808), (176, 569255), (220, 455404), (257, 389840), (440, 227702), (443, 226160), (514, 194920), (880, 113851), (886, 113080), (1028, 97460), (1285, 77968), (1772, 56540), (2056, 48730), (2215, 45232), (2570, 38984), (2827, 35440), (3544, 28270), (4112, 24365), (4430, 22616), (4873, 20560), (5140, 19492), (5654, 17720), (7088, 14135), (8860, 11308), (9746, 10280)]