2738780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 6410880

約数和(自身を除く): 3672100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 211, 220, 236, 295, 422, 590, 649, 844, 1055, 1180, 1298, 2110, 2321, 2596, 3245, 4220, 4642, 6490, 9284, 11605, 12449, 12980, 23210, 24898, 46420, 49796, 62245, 124490, 136939, 248980, 273878, 547756, 684695, 1369390, 2738780]

約数ペア:

[(1, 2738780), (2, 1369390), (4, 684695), (5, 547756), (10, 273878), (11, 248980), (20, 136939), (22, 124490), (44, 62245), (55, 49796), (59, 46420), (110, 24898), (118, 23210), (211, 12980), (220, 12449), (236, 11605), (295, 9284), (422, 6490), (590, 4642), (649, 4220), (844, 3245), (1055, 2596), (1180, 2321), (1298, 2110)]