207665620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 456720768

約数和(自身を除く): 249055148

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 347, 460, 694, 1301, 1388, 1735, 2602, 3470, 5204, 6505, 6940, 7981, 13010, 15962, 26020, 29923, 31924, 39905, 59846, 79810, 119692, 149615, 159620, 299230, 451447, 598460, 902894, 1805788, 2257235, 4514470, 9028940, 10383281, 20766562, 41533124, 51916405, 103832810, 207665620]

約数ペア:

[(1, 207665620), (2, 103832810), (4, 51916405), (5, 41533124), (10, 20766562), (20, 10383281), (23, 9028940), (46, 4514470), (92, 2257235), (115, 1805788), (230, 902894), (347, 598460), (460, 451447), (694, 299230), (1301, 159620), (1388, 149615), (1735, 119692), (2602, 79810), (3470, 59846), (5204, 39905), (6505, 31924), (6940, 29923), (7981, 26020), (13010, 15962)]