775742140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{30517}}^1$

素因数の和:30598

約数の個数: 48

約数和(自身を含む): 1722680064

約数和(自身を除く): 946937924

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 30517, 61034, 122068, 152585, 305170, 610340, 946027, 1251197, 1892054, 2502394, 3784108, 4730135, 5004788, 6255985, 9460270, 12511970, 18920540, 25023940, 38787107, 77574214, 155148428, 193935535, 387871070, 775742140]

約数ペア:

[(1, 775742140), (2, 387871070), (4, 193935535), (5, 155148428), (10, 77574214), (20, 38787107), (31, 25023940), (41, 18920540), (62, 12511970), (82, 9460270), (124, 6255985), (155, 5004788), (164, 4730135), (205, 3784108), (310, 2502394), (410, 1892054), (620, 1251197), (820, 946027), (1271, 610340), (2542, 305170), (5084, 152585), (6355, 122068), (12710, 61034), (25420, 30517)]