201029840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228443}}^1$

素因数の和:228467

約数の個数: 40

約数和(自身を含む): 509887008

約数和(自身を除く): 308857168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228443, 456886, 913772, 1142215, 1827544, 2284430, 2512873, 3655088, 4568860, 5025746, 9137720, 10051492, 12564365, 18275440, 20102984, 25128730, 40205968, 50257460, 100514920, 201029840]

約数ペア:

[(1, 201029840), (2, 100514920), (4, 50257460), (5, 40205968), (8, 25128730), (10, 20102984), (11, 18275440), (16, 12564365), (20, 10051492), (22, 9137720), (40, 5025746), (44, 4568860), (55, 3655088), (80, 2512873), (88, 2284430), (110, 1827544), (176, 1142215), (220, 913772), (440, 456886), (880, 228443)]