40287800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{4111}}^1$

素因数の和:4141

約数の個数: 72

約数和(自身を含む): 108988560

約数和(自身を除く): 68700760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4111, 4900, 8222, 9800, 16444, 20555, 28777, 32888, 41110, 57554, 82220, 102775, 115108, 143885, 164440, 201439, 205550, 230216, 287770, 402878, 411100, 575540, 719425, 805756, 822200, 1007195, 1151080, 1438850, 1611512, 2014390, 2877700, 4028780, 5035975, 5755400, 8057560, 10071950, 20143900, 40287800]

約数ペア:

[(1, 40287800), (2, 20143900), (4, 10071950), (5, 8057560), (7, 5755400), (8, 5035975), (10, 4028780), (14, 2877700), (20, 2014390), (25, 1611512), (28, 1438850), (35, 1151080), (40, 1007195), (49, 822200), (50, 805756), (56, 719425), (70, 575540), (98, 411100), (100, 402878), (140, 287770), (175, 230216), (196, 205550), (200, 201439), (245, 164440), (280, 143885), (350, 115108), (392, 102775), (490, 82220), (700, 57554), (980, 41110), (1225, 32888), (1400, 28777), (1960, 20555), (2450, 16444), (4111, 9800), (4900, 8222)]