200664740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 431827200

約数和(自身を除く): 231162460

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 790, 890, 1427, 1580, 1780, 2854, 5708, 7031, 7135, 14062, 14270, 28124, 28540, 35155, 70310, 112733, 127003, 140620, 225466, 254006, 450932, 508012, 563665, 635015, 1127330, 1270030, 2254660, 2540060, 10033237, 20066474, 40132948, 50166185, 100332370, 200664740]

約数ペア:

[(1, 200664740), (2, 100332370), (4, 50166185), (5, 40132948), (10, 20066474), (20, 10033237), (79, 2540060), (89, 2254660), (158, 1270030), (178, 1127330), (316, 635015), (356, 563665), (395, 508012), (445, 450932), (790, 254006), (890, 225466), (1427, 140620), (1580, 127003), (1780, 112733), (2854, 70310), (5708, 35155), (7031, 28540), (7135, 28124), (14062, 14270)]