408492040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19753}}^1$

素因数の和:19822

約数の個数: 64

約数和(自身を含む): 1024047360

約数和(自身を除く): 615555320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 19753, 20680, 39506, 79012, 98765, 158024, 197530, 217283, 395060, 434566, 790120, 869132, 928391, 1086415, 1738264, 1856782, 2172830, 3713564, 4345660, 4641955, 7427128, 8691320, 9283910, 10212301, 18567820, 20424602, 37135640, 40849204, 51061505, 81698408, 102123010, 204246020, 408492040]

約数ペア:

[(1, 408492040), (2, 204246020), (4, 102123010), (5, 81698408), (8, 51061505), (10, 40849204), (11, 37135640), (20, 20424602), (22, 18567820), (40, 10212301), (44, 9283910), (47, 8691320), (55, 7427128), (88, 4641955), (94, 4345660), (110, 3713564), (188, 2172830), (220, 1856782), (235, 1738264), (376, 1086415), (440, 928391), (470, 869132), (517, 790120), (940, 434566), (1034, 395060), (1880, 217283), (2068, 197530), (2585, 158024), (4136, 98765), (5170, 79012), (10340, 39506), (19753, 20680)]