27958420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 69866496

約数和(自身を除く): 41908076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 607, 658, 940, 980, 1214, 1316, 1645, 2303, 2428, 3035, 3290, 4249, 4606, 6070, 6580, 8498, 9212, 11515, 12140, 16996, 21245, 23030, 28529, 29743, 42490, 46060, 57058, 59486, 84980, 114116, 118972, 142645, 148715, 199703, 285290, 297430, 399406, 570580, 594860, 798812, 998515, 1397921, 1997030, 2795842, 3994060, 5591684, 6989605, 13979210, 27958420]

約数ペア:

[(1, 27958420), (2, 13979210), (4, 6989605), (5, 5591684), (7, 3994060), (10, 2795842), (14, 1997030), (20, 1397921), (28, 998515), (35, 798812), (47, 594860), (49, 570580), (70, 399406), (94, 297430), (98, 285290), (140, 199703), (188, 148715), (196, 142645), (235, 118972), (245, 114116), (329, 84980), (470, 59486), (490, 57058), (607, 46060), (658, 42490), (940, 29743), (980, 28529), (1214, 23030), (1316, 21245), (1645, 16996), (2303, 12140), (2428, 11515), (3035, 9212), (3290, 8498), (4249, 6580), (4606, 6070)]