3855860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 8702400

約数和(自身を除く): 4846540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 139, 146, 190, 278, 292, 365, 380, 556, 695, 730, 1387, 1390, 1460, 2641, 2774, 2780, 5282, 5548, 6935, 10147, 10564, 13205, 13870, 20294, 26410, 27740, 40588, 50735, 52820, 101470, 192793, 202940, 385586, 771172, 963965, 1927930, 3855860]

約数ペア:

[(1, 3855860), (2, 1927930), (4, 963965), (5, 771172), (10, 385586), (19, 202940), (20, 192793), (38, 101470), (73, 52820), (76, 50735), (95, 40588), (139, 27740), (146, 26410), (190, 20294), (278, 13870), (292, 13205), (365, 10564), (380, 10147), (556, 6935), (695, 5548), (730, 5282), (1387, 2780), (1390, 2774), (1460, 2641)]