218399770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 399764160

約数和(自身を除く): 181364390

約数列:

[1, 2, 5, 10, 89, 178, 211, 422, 445, 890, 1055, 1163, 2110, 2326, 5815, 11630, 18779, 37558, 93895, 103507, 187790, 207014, 245393, 490786, 517535, 1035070, 1226965, 2453930, 21839977, 43679954, 109199885, 218399770]

約数ペア:

[(1, 218399770), (2, 109199885), (5, 43679954), (10, 21839977), (89, 2453930), (178, 1226965), (211, 1035070), (422, 517535), (445, 490786), (890, 245393), (1055, 207014), (1163, 187790), (2110, 103507), (2326, 93895), (5815, 37558), (11630, 18779)]