219555470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{15649}}^1$

素因数の和:15740

約数の個数: 32

約数和(自身を含む): 419169600

約数和(自身を除く): 199614130

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 14030, 15649, 31298, 78245, 156490, 359927, 719854, 954589, 1799635, 1909178, 3599270, 4772945, 9545890, 21955547, 43911094, 109777735, 219555470]

約数ペア:

[(1, 219555470), (2, 109777735), (5, 43911094), (10, 21955547), (23, 9545890), (46, 4772945), (61, 3599270), (115, 1909178), (122, 1799635), (230, 954589), (305, 719854), (610, 359927), (1403, 156490), (2806, 78245), (7015, 31298), (14030, 15649)]