138616810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 282424320

約数和(自身を除く): 143807510

約数列:

[1, 2, 5, 10, 17, 29, 31, 34, 58, 62, 85, 145, 155, 170, 290, 310, 493, 527, 899, 907, 986, 1054, 1798, 1814, 2465, 2635, 4495, 4535, 4930, 5270, 8990, 9070, 15283, 15419, 26303, 28117, 30566, 30838, 52606, 56234, 76415, 77095, 131515, 140585, 152830, 154190, 263030, 281170, 447151, 477989, 815393, 894302, 955978, 1630786, 2235755, 2389945, 4076965, 4471510, 4779890, 8153930, 13861681, 27723362, 69308405, 138616810]

約数ペア:

[(1, 138616810), (2, 69308405), (5, 27723362), (10, 13861681), (17, 8153930), (29, 4779890), (31, 4471510), (34, 4076965), (58, 2389945), (62, 2235755), (85, 1630786), (145, 955978), (155, 894302), (170, 815393), (290, 477989), (310, 447151), (493, 281170), (527, 263030), (899, 154190), (907, 152830), (986, 140585), (1054, 131515), (1798, 77095), (1814, 76415), (2465, 56234), (2635, 52606), (4495, 30838), (4535, 30566), (4930, 28117), (5270, 26303), (8990, 15419), (9070, 15283)]