201768340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 431101440

約数和(自身を除く): 229333100

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 263, 356, 431, 445, 526, 862, 890, 1052, 1315, 1724, 1780, 2155, 2630, 4310, 5260, 8620, 23407, 38359, 46814, 76718, 93628, 113353, 117035, 153436, 191795, 226706, 234070, 383590, 453412, 468140, 566765, 767180, 1133530, 2267060, 10088417, 20176834, 40353668, 50442085, 100884170, 201768340]

約数ペア:

[(1, 201768340), (2, 100884170), (4, 50442085), (5, 40353668), (10, 20176834), (20, 10088417), (89, 2267060), (178, 1133530), (263, 767180), (356, 566765), (431, 468140), (445, 453412), (526, 383590), (862, 234070), (890, 226706), (1052, 191795), (1315, 153436), (1724, 117035), (1780, 113353), (2155, 93628), (2630, 76718), (4310, 46814), (5260, 38359), (8620, 23407)]