216977750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{78901}}^1$

素因数の和:78929

約数の個数: 32

約数和(自身を含む): 443113632

約数和(自身を除く): 226135882

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 78901, 157802, 394505, 789010, 867911, 1735822, 1972525, 3945050, 4339555, 8679110, 9862625, 19725250, 21697775, 43395550, 108488875, 216977750]

約数ペア:

[(1, 216977750), (2, 108488875), (5, 43395550), (10, 21697775), (11, 19725250), (22, 9862625), (25, 8679110), (50, 4339555), (55, 3945050), (110, 1972525), (125, 1735822), (250, 867911), (275, 789010), (550, 394505), (1375, 157802), (2750, 78901)]