82788440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42239}}^1$

素因数の和:42264

約数の個数: 48

約数和(自身を含む): 216691200

約数和(自身を除く): 133902760

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, 42239, 84478, 168956, 211195, 295673, 337912, 422390, 591346, 844780, 1182692, 1478365, 1689560, 2069711, 2365384, 2956730, 4139422, 5913460, 8278844, 10348555, 11826920, 16557688, 20697110, 41394220, 82788440]

約数ペア:

[(1, 82788440), (2, 41394220), (4, 20697110), (5, 16557688), (7, 11826920), (8, 10348555), (10, 8278844), (14, 5913460), (20, 4139422), (28, 2956730), (35, 2365384), (40, 2069711), (49, 1689560), (56, 1478365), (70, 1182692), (98, 844780), (140, 591346), (196, 422390), (245, 337912), (280, 295673), (392, 211195), (490, 168956), (980, 84478), (1960, 42239)]