78902890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 158817960

約数和(自身を除く): 79915070

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 605, 610, 671, 1069, 1210, 1342, 2138, 3355, 5345, 6710, 7381, 10690, 11759, 14762, 23518, 36905, 58795, 65209, 73810, 117590, 129349, 130418, 258698, 326045, 646745, 652090, 717299, 1293490, 1434598, 3586495, 7172990, 7890289, 15780578, 39451445, 78902890]

約数ペア:

[(1, 78902890), (2, 39451445), (5, 15780578), (10, 7890289), (11, 7172990), (22, 3586495), (55, 1434598), (61, 1293490), (110, 717299), (121, 652090), (122, 646745), (242, 326045), (305, 258698), (605, 130418), (610, 129349), (671, 117590), (1069, 73810), (1210, 65209), (1342, 58795), (2138, 36905), (3355, 23518), (5345, 14762), (6710, 11759), (7381, 10690)]