42222020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 50917180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 263, 349, 460, 526, 698, 1052, 1315, 1396, 1745, 2630, 3490, 5260, 6049, 6980, 8027, 12098, 16054, 24196, 30245, 32108, 40135, 60490, 80270, 91787, 120980, 160540, 183574, 367148, 458935, 917870, 1835740, 2111101, 4222202, 8444404, 10555505, 21111010, 42222020]

約数ペア:

[(1, 42222020), (2, 21111010), (4, 10555505), (5, 8444404), (10, 4222202), (20, 2111101), (23, 1835740), (46, 917870), (92, 458935), (115, 367148), (230, 183574), (263, 160540), (349, 120980), (460, 91787), (526, 80270), (698, 60490), (1052, 40135), (1315, 32108), (1396, 30245), (1745, 24196), (2630, 16054), (3490, 12098), (5260, 8027), (6049, 6980)]