89088860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{90907}}^1$

素因数の和:90930

約数の個数: 36

約数和(自身を含む): 217633752

約数和(自身を除く): 128544892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 90907, 181814, 363628, 454535, 636349, 909070, 1272698, 1818140, 2545396, 3181745, 4454443, 6363490, 8908886, 12726980, 17817772, 22272215, 44544430, 89088860]

約数ペア:

[(1, 89088860), (2, 44544430), (4, 22272215), (5, 17817772), (7, 12726980), (10, 8908886), (14, 6363490), (20, 4454443), (28, 3181745), (35, 2545396), (49, 1818140), (70, 1272698), (98, 909070), (140, 636349), (196, 454535), (245, 363628), (490, 181814), (980, 90907)]