2019698725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{4481}}^1$

素因数の和:4662

約数の個数: 36

約数和(自身を含む): 2771892900

約数和(自身を除く): 752194175

約数列:

[1, 5, 11, 25, 55, 121, 149, 275, 605, 745, 1639, 3025, 3725, 4481, 8195, 18029, 22405, 40975, 49291, 90145, 112025, 246455, 450725, 542201, 667669, 1232275, 2711005, 3338345, 7344359, 13555025, 16691725, 36721795, 80787949, 183608975, 403939745, 2019698725]

約数ペア:

[(1, 2019698725), (5, 403939745), (11, 183608975), (25, 80787949), (55, 36721795), (121, 16691725), (149, 13555025), (275, 7344359), (605, 3338345), (745, 2711005), (1639, 1232275), (3025, 667669), (3725, 542201), (4481, 450725), (8195, 246455), (18029, 112025), (22405, 90145), (40975, 49291)]