2778490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 6168960

約数和(自身を除く): 3390470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 67, 110, 130, 134, 143, 145, 286, 290, 319, 335, 377, 638, 670, 715, 737, 754, 871, 1430, 1474, 1595, 1742, 1885, 1943, 3190, 3685, 3770, 3886, 4147, 4355, 7370, 8294, 8710, 9581, 9715, 19162, 19430, 20735, 21373, 25259, 41470, 42746, 47905, 50518, 95810, 106865, 126295, 213730, 252590, 277849, 555698, 1389245, 2778490]

約数ペア:

[(1, 2778490), (2, 1389245), (5, 555698), (10, 277849), (11, 252590), (13, 213730), (22, 126295), (26, 106865), (29, 95810), (55, 50518), (58, 47905), (65, 42746), (67, 41470), (110, 25259), (130, 21373), (134, 20735), (143, 19430), (145, 19162), (286, 9715), (290, 9581), (319, 8710), (335, 8294), (377, 7370), (638, 4355), (670, 4147), (715, 3886), (737, 3770), (754, 3685), (871, 3190), (1430, 1943), (1474, 1885), (1595, 1742)]