836777780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{9511}}^1$

素因数の和:9656

約数の個数: 48

約数和(自身を含む): 1812150144

約数和(自身を除く): 975372364

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 830, 1060, 1660, 4399, 8798, 9511, 17596, 19022, 21995, 38044, 43990, 47555, 87980, 95110, 190220, 504083, 789413, 1008166, 1578826, 2016332, 2520415, 3157652, 3947065, 5040830, 7894130, 10081660, 15788260, 41838889, 83677778, 167355556, 209194445, 418388890, 836777780]

約数ペア:

[(1, 836777780), (2, 418388890), (4, 209194445), (5, 167355556), (10, 83677778), (20, 41838889), (53, 15788260), (83, 10081660), (106, 7894130), (166, 5040830), (212, 3947065), (265, 3157652), (332, 2520415), (415, 2016332), (530, 1578826), (830, 1008166), (1060, 789413), (1660, 504083), (4399, 190220), (8798, 95110), (9511, 87980), (17596, 47555), (19022, 43990), (21995, 38044)]