4444780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5425556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 107, 124, 134, 155, 214, 268, 310, 335, 428, 535, 620, 670, 1070, 1340, 2077, 2140, 3317, 4154, 6634, 7169, 8308, 10385, 13268, 14338, 16585, 20770, 28676, 33170, 35845, 41540, 66340, 71690, 143380, 222239, 444478, 888956, 1111195, 2222390, 4444780]

約数ペア:

[(1, 4444780), (2, 2222390), (4, 1111195), (5, 888956), (10, 444478), (20, 222239), (31, 143380), (62, 71690), (67, 66340), (107, 41540), (124, 35845), (134, 33170), (155, 28676), (214, 20770), (268, 16585), (310, 14338), (335, 13268), (428, 10385), (535, 8308), (620, 7169), (670, 6634), (1070, 4154), (1340, 3317), (2077, 2140)]