28371128740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1\times {\mathrm{21491}}^1$

素因数の和:22092

約数の個数: 48

約数和(自身を含む): 60117422400

約数和(自身を除く): 31746293660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 443, 596, 745, 886, 1490, 1772, 2215, 2980, 4430, 8860, 21491, 42982, 66007, 85964, 107455, 132014, 214910, 264028, 330035, 429820, 660070, 1320140, 3202159, 6404318, 9520513, 12808636, 16010795, 19041026, 32021590, 38082052, 47602565, 64043180, 95205130, 190410260, 1418556437, 2837112874, 5674225748, 7092782185, 14185564370, 28371128740]

約数ペア:

[(1, 28371128740), (2, 14185564370), (4, 7092782185), (5, 5674225748), (10, 2837112874), (20, 1418556437), (149, 190410260), (298, 95205130), (443, 64043180), (596, 47602565), (745, 38082052), (886, 32021590), (1490, 19041026), (1772, 16010795), (2215, 12808636), (2980, 9520513), (4430, 6404318), (8860, 3202159), (21491, 1320140), (42982, 660070), (66007, 429820), (85964, 330035), (107455, 264028), (132014, 214910)]