123215510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1397

約数の個数: 48

約数和(自身を含む): 247060800

約数和(自身を除く): 123845290

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 605, 790, 869, 1210, 1289, 1738, 2578, 4345, 6445, 8690, 9559, 12890, 14179, 19118, 28358, 47795, 70895, 95590, 101831, 141790, 155969, 203662, 311938, 509155, 779845, 1018310, 1120141, 1559690, 2240282, 5600705, 11201410, 12321551, 24643102, 61607755, 123215510]

約数ペア:

[(1, 123215510), (2, 61607755), (5, 24643102), (10, 12321551), (11, 11201410), (22, 5600705), (55, 2240282), (79, 1559690), (110, 1120141), (121, 1018310), (158, 779845), (242, 509155), (395, 311938), (605, 203662), (790, 155969), (869, 141790), (1210, 101831), (1289, 95590), (1738, 70895), (2578, 47795), (4345, 28358), (6445, 19118), (8690, 14179), (9559, 12890)]