28925540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 69750912

約数和(自身を除く): 40825372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 673, 1228, 1346, 1535, 2149, 2692, 3070, 3365, 4298, 4711, 6140, 6730, 8596, 9422, 10745, 13460, 18844, 21490, 23555, 42980, 47110, 94220, 206611, 413222, 826444, 1033055, 1446277, 2066110, 2892554, 4132220, 5785108, 7231385, 14462770, 28925540]

約数ペア:

[(1, 28925540), (2, 14462770), (4, 7231385), (5, 5785108), (7, 4132220), (10, 2892554), (14, 2066110), (20, 1446277), (28, 1033055), (35, 826444), (70, 413222), (140, 206611), (307, 94220), (614, 47110), (673, 42980), (1228, 23555), (1346, 21490), (1535, 18844), (2149, 13460), (2692, 10745), (3070, 9422), (3365, 8596), (4298, 6730), (4711, 6140)]