16865380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 40763520

約数和(自身を除く): 23898140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 673, 716, 895, 1253, 1346, 1790, 2506, 2692, 3365, 3580, 4711, 5012, 6265, 6730, 9422, 12530, 13460, 18844, 23555, 25060, 47110, 94220, 120467, 240934, 481868, 602335, 843269, 1204670, 1686538, 2409340, 3373076, 4216345, 8432690, 16865380]

約数ペア:

[(1, 16865380), (2, 8432690), (4, 4216345), (5, 3373076), (7, 2409340), (10, 1686538), (14, 1204670), (20, 843269), (28, 602335), (35, 481868), (70, 240934), (140, 120467), (179, 94220), (358, 47110), (673, 25060), (716, 23555), (895, 18844), (1253, 13460), (1346, 12530), (1790, 9422), (2506, 6730), (2692, 6265), (3365, 5012), (3580, 4711)]