214893325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 281455200

約数和(自身を除く): 66561875

約数列:

[1, 5, 19, 25, 95, 389, 475, 1163, 1945, 5815, 7391, 9725, 22097, 29075, 36955, 110485, 184775, 452407, 552425, 2262035, 8595733, 11310175, 42978665, 214893325]

約数ペア:

[(1, 214893325), (5, 42978665), (19, 11310175), (25, 8595733), (95, 2262035), (389, 552425), (475, 452407), (1163, 184775), (1945, 110485), (5815, 36955), (7391, 29075), (9725, 22097)]