17780461780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{136207}}^1$

素因数の和:136384

約数の個数: 48

約数和(自身を含む): 38306048256

約数和(自身を除く): 20525586476

約数列:

[1, 2, 4, 5, 10, 20, 61, 107, 122, 214, 244, 305, 428, 535, 610, 1070, 1220, 2140, 6527, 13054, 26108, 32635, 65270, 130540, 136207, 272414, 544828, 681035, 1362070, 2724140, 8308627, 14574149, 16617254, 29148298, 33234508, 41543135, 58296596, 72870745, 83086270, 145741490, 166172540, 291482980, 889023089, 1778046178, 3556092356, 4445115445, 8890230890, 17780461780]

約数ペア:

[(1, 17780461780), (2, 8890230890), (4, 4445115445), (5, 3556092356), (10, 1778046178), (20, 889023089), (61, 291482980), (107, 166172540), (122, 145741490), (214, 83086270), (244, 72870745), (305, 58296596), (428, 41543135), (535, 33234508), (610, 29148298), (1070, 16617254), (1220, 14574149), (2140, 8308627), (6527, 2724140), (13054, 1362070), (26108, 681035), (32635, 544828), (65270, 272414), (130540, 136207)]