137599900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{72421}}^1$

素因数の和:72454

約数の個数: 36

約数和(自身を含む): 314311480

約数和(自身を除く): 176711580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 72421, 144842, 289684, 362105, 724210, 1375999, 1448420, 1810525, 2751998, 3621050, 5503996, 6879995, 7242100, 13759990, 27519980, 34399975, 68799950, 137599900]

約数ペア:

[(1, 137599900), (2, 68799950), (4, 34399975), (5, 27519980), (10, 13759990), (19, 7242100), (20, 6879995), (25, 5503996), (38, 3621050), (50, 2751998), (76, 1810525), (95, 1448420), (100, 1375999), (190, 724210), (380, 362105), (475, 289684), (950, 144842), (1900, 72421)]