85065820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{857}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 204684480

約数和(自身を除く): 119618660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 857, 1418, 1714, 2836, 3428, 3545, 4285, 4963, 5999, 7090, 8570, 9926, 11998, 14180, 17140, 19852, 23996, 24815, 29995, 49630, 59990, 99260, 119980, 607613, 1215226, 2430452, 3038065, 4253291, 6076130, 8506582, 12152260, 17013164, 21266455, 42532910, 85065820]

約数ペア:

[(1, 85065820), (2, 42532910), (4, 21266455), (5, 17013164), (7, 12152260), (10, 8506582), (14, 6076130), (20, 4253291), (28, 3038065), (35, 2430452), (70, 1215226), (140, 607613), (709, 119980), (857, 99260), (1418, 59990), (1714, 49630), (2836, 29995), (3428, 24815), (3545, 23996), (4285, 19852), (4963, 17140), (5999, 14180), (7090, 11998), (8570, 9926)]