178382020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{22811}}^1$

素因数の和:22860

約数の個数: 48

約数和(自身を含む): 413900928

約数和(自身を除く): 235518908

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 22811, 45622, 91244, 114055, 228110, 387787, 456220, 524653, 775574, 1049306, 1551148, 1938935, 2098612, 2623265, 3877870, 5246530, 7755740, 8919101, 10493060, 17838202, 35676404, 44595505, 89191010, 178382020]

約数ペア:

[(1, 178382020), (2, 89191010), (4, 44595505), (5, 35676404), (10, 17838202), (17, 10493060), (20, 8919101), (23, 7755740), (34, 5246530), (46, 3877870), (68, 2623265), (85, 2098612), (92, 1938935), (115, 1551148), (170, 1049306), (230, 775574), (340, 524653), (391, 456220), (460, 387787), (782, 228110), (1564, 114055), (1955, 91244), (3910, 45622), (7820, 22811)]