2118889720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{49003}}^1$

素因数の和:49084

約数の個数: 64

約数和(自身を含む): 5080734720

約数和(自身を除く): 2961845000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 10810, 21620, 43240, 49003, 98006, 196012, 245015, 392024, 490030, 980060, 1127069, 1960120, 2254138, 2303141, 4508276, 4606282, 5635345, 9016552, 9212564, 11270690, 11515705, 18425128, 22541380, 23031410, 45082760, 46062820, 52972243, 92125640, 105944486, 211888972, 264861215, 423777944, 529722430, 1059444860, 2118889720]

約数ペア:

[(1, 2118889720), (2, 1059444860), (4, 529722430), (5, 423777944), (8, 264861215), (10, 211888972), (20, 105944486), (23, 92125640), (40, 52972243), (46, 46062820), (47, 45082760), (92, 23031410), (94, 22541380), (115, 18425128), (184, 11515705), (188, 11270690), (230, 9212564), (235, 9016552), (376, 5635345), (460, 4606282), (470, 4508276), (920, 2303141), (940, 2254138), (1081, 1960120), (1880, 1127069), (2162, 980060), (4324, 490030), (5405, 392024), (8648, 245015), (10810, 196012), (21620, 98006), (43240, 49003)]