78852760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40231}}^1$

素因数の和:40256

約数の個数: 48

約数和(自身を含む): 206390160

約数和(自身を除く): 127537400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40231, 80462, 160924, 201155, 281617, 321848, 402310, 563234, 804620, 1126468, 1408085, 1609240, 1971319, 2252936, 2816170, 3942638, 5632340, 7885276, 9856595, 11264680, 15770552, 19713190, 39426380, 78852760]

約数ペア:

[(1, 78852760), (2, 39426380), (4, 19713190), (5, 15770552), (7, 11264680), (8, 9856595), (10, 7885276), (14, 5632340), (20, 3942638), (28, 2816170), (35, 2252936), (40, 1971319), (49, 1609240), (56, 1408085), (70, 1126468), (98, 804620), (140, 563234), (196, 402310), (245, 321848), (280, 281617), (392, 201155), (490, 160924), (980, 80462), (1960, 40231)]