149715620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 319977840

約数和(自身を除く): 170262220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 229, 337, 388, 458, 485, 674, 916, 970, 1145, 1348, 1685, 1940, 2290, 3370, 4580, 6740, 22213, 32689, 44426, 65378, 77173, 88852, 111065, 130756, 154346, 163445, 222130, 308692, 326890, 385865, 444260, 653780, 771730, 1543460, 7485781, 14971562, 29943124, 37428905, 74857810, 149715620]

約数ペア:

[(1, 149715620), (2, 74857810), (4, 37428905), (5, 29943124), (10, 14971562), (20, 7485781), (97, 1543460), (194, 771730), (229, 653780), (337, 444260), (388, 385865), (458, 326890), (485, 308692), (674, 222130), (916, 163445), (970, 154346), (1145, 130756), (1348, 111065), (1685, 88852), (1940, 77173), (2290, 65378), (3370, 44426), (4580, 32689), (6740, 22213)]