138819890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 289751040

約数和(自身を除く): 150931150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 127, 190, 209, 254, 418, 523, 635, 1045, 1046, 1270, 1397, 2090, 2413, 2615, 2794, 4826, 5230, 5753, 6985, 9937, 11506, 12065, 13970, 19874, 24130, 26543, 28765, 49685, 53086, 57530, 66421, 99370, 109307, 132715, 132842, 218614, 265430, 332105, 546535, 664210, 730631, 1093070, 1261999, 1461262, 2523998, 3653155, 6309995, 7306310, 12619990, 13881989, 27763978, 69409945, 138819890]

約数ペア:

[(1, 138819890), (2, 69409945), (5, 27763978), (10, 13881989), (11, 12619990), (19, 7306310), (22, 6309995), (38, 3653155), (55, 2523998), (95, 1461262), (110, 1261999), (127, 1093070), (190, 730631), (209, 664210), (254, 546535), (418, 332105), (523, 265430), (635, 218614), (1045, 132842), (1046, 132715), (1270, 109307), (1397, 99370), (2090, 66421), (2413, 57530), (2615, 53086), (2794, 49685), (4826, 28765), (5230, 26543), (5753, 24130), (6985, 19874), (9937, 13970), (11506, 12065)]