138895470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{220469}}^1$

素因数の和:220489

約数の個数: 48

約数和(自身を含む): 412719840

約数和(自身を除く): 273824370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 220469, 440938, 661407, 1102345, 1322814, 1543283, 1984221, 2204690, 3086566, 3307035, 3968442, 4629849, 6614070, 7716415, 9259698, 9921105, 13889547, 15432830, 19842210, 23149245, 27779094, 46298490, 69447735, 138895470]

約数ペア:

[(1, 138895470), (2, 69447735), (3, 46298490), (5, 27779094), (6, 23149245), (7, 19842210), (9, 15432830), (10, 13889547), (14, 9921105), (15, 9259698), (18, 7716415), (21, 6614070), (30, 4629849), (35, 3968442), (42, 3307035), (45, 3086566), (63, 2204690), (70, 1984221), (90, 1543283), (105, 1322814), (126, 1102345), (210, 661407), (315, 440938), (630, 220469)]