98899640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{50459}}^1$

素因数の和:50484

約数の個数: 48

約数和(自身を含む): 258859800

約数和(自身を除く): 159960160

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, 50459, 100918, 201836, 252295, 353213, 403672, 504590, 706426, 1009180, 1412852, 1766065, 2018360, 2472491, 2825704, 3532130, 4944982, 7064260, 9889964, 12362455, 14128520, 19779928, 24724910, 49449820, 98899640]

約数ペア:

[(1, 98899640), (2, 49449820), (4, 24724910), (5, 19779928), (7, 14128520), (8, 12362455), (10, 9889964), (14, 7064260), (20, 4944982), (28, 3532130), (35, 2825704), (40, 2472491), (49, 2018360), (56, 1766065), (70, 1412852), (98, 1009180), (140, 706426), (196, 504590), (245, 403672), (280, 353213), (392, 252295), (490, 201836), (980, 100918), (1960, 50459)]