215216980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42533}}^1$

素因数の和:42576

約数の個数: 48

約数和(自身を含む): 514491264

約数和(自身を除く): 299274284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 42533, 85066, 170132, 212665, 425330, 467863, 850660, 935726, 978259, 1871452, 1956518, 2339315, 3913036, 4678630, 4891295, 9357260, 9782590, 10760849, 19565180, 21521698, 43043396, 53804245, 107608490, 215216980]

約数ペア:

[(1, 215216980), (2, 107608490), (4, 53804245), (5, 43043396), (10, 21521698), (11, 19565180), (20, 10760849), (22, 9782590), (23, 9357260), (44, 4891295), (46, 4678630), (55, 3913036), (92, 2339315), (110, 1956518), (115, 1871452), (220, 978259), (230, 935726), (253, 850660), (460, 467863), (506, 425330), (1012, 212665), (1265, 170132), (2530, 85066), (5060, 42533)]