163442440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83389}}^1$

素因数の和:83414

約数の個数: 48

約数和(自身を含む): 427790700

約数和(自身を除く): 264348260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 83389, 166778, 333556, 416945, 583723, 667112, 833890, 1167446, 1667780, 2334892, 2918615, 3335560, 4086061, 4669784, 5837230, 8172122, 11674460, 16344244, 20430305, 23348920, 32688488, 40860610, 81721220, 163442440]

約数ペア:

[(1, 163442440), (2, 81721220), (4, 40860610), (5, 32688488), (7, 23348920), (8, 20430305), (10, 16344244), (14, 11674460), (20, 8172122), (28, 5837230), (35, 4669784), (40, 4086061), (49, 3335560), (56, 2918615), (70, 2334892), (98, 1667780), (140, 1167446), (196, 833890), (245, 667112), (280, 583723), (392, 416945), (490, 333556), (980, 166778), (1960, 83389)]