19824700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 49774592

約数和(自身を除く): 29949892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 223, 254, 350, 446, 508, 635, 700, 889, 892, 1115, 1270, 1561, 1778, 2230, 2540, 3122, 3175, 3556, 4445, 4460, 5575, 6244, 6350, 7805, 8890, 11150, 12700, 15610, 17780, 22225, 22300, 28321, 31220, 39025, 44450, 56642, 78050, 88900, 113284, 141605, 156100, 198247, 283210, 396494, 566420, 708025, 792988, 991235, 1416050, 1982470, 2832100, 3964940, 4956175, 9912350, 19824700]

約数ペア:

[(1, 19824700), (2, 9912350), (4, 4956175), (5, 3964940), (7, 2832100), (10, 1982470), (14, 1416050), (20, 991235), (25, 792988), (28, 708025), (35, 566420), (50, 396494), (70, 283210), (100, 198247), (127, 156100), (140, 141605), (175, 113284), (223, 88900), (254, 78050), (350, 56642), (446, 44450), (508, 39025), (635, 31220), (700, 28321), (889, 22300), (892, 22225), (1115, 17780), (1270, 15610), (1561, 12700), (1778, 11150), (2230, 8890), (2540, 7805), (3122, 6350), (3175, 6244), (3556, 5575), (4445, 4460)]