91190260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1013}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 219413376

約数和(自身を除く): 128223116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1013, 1286, 2026, 2572, 3215, 4052, 4501, 5065, 6430, 7091, 9002, 10130, 12860, 14182, 18004, 20260, 22505, 28364, 35455, 45010, 70910, 90020, 141820, 651359, 1302718, 2605436, 3256795, 4559513, 6513590, 9119026, 13027180, 18238052, 22797565, 45595130, 91190260]

約数ペア:

[(1, 91190260), (2, 45595130), (4, 22797565), (5, 18238052), (7, 13027180), (10, 9119026), (14, 6513590), (20, 4559513), (28, 3256795), (35, 2605436), (70, 1302718), (140, 651359), (643, 141820), (1013, 90020), (1286, 70910), (2026, 45010), (2572, 35455), (3215, 28364), (4052, 22505), (4501, 20260), (5065, 18004), (6430, 14182), (7091, 12860), (9002, 10130)]