81095210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^2$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 171465984

約数和(自身を除く): 90370774

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 157, 235, 314, 329, 470, 658, 785, 1099, 1570, 1645, 2198, 3290, 5495, 7379, 10990, 14758, 24649, 36895, 49298, 51653, 73790, 103306, 123245, 172543, 246490, 258265, 345086, 516530, 862715, 1158503, 1725430, 2317006, 5792515, 8109521, 11585030, 16219042, 40547605, 81095210]

約数ペア:

[(1, 81095210), (2, 40547605), (5, 16219042), (7, 11585030), (10, 8109521), (14, 5792515), (35, 2317006), (47, 1725430), (70, 1158503), (94, 862715), (157, 516530), (235, 345086), (314, 258265), (329, 246490), (470, 172543), (658, 123245), (785, 103306), (1099, 73790), (1570, 51653), (1645, 49298), (2198, 36895), (3290, 24649), (5495, 14758), (7379, 10990)]