27401780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27961}}^1$

素因数の和:27984

約数の個数: 36

約数和(自身を含む): 66941028

約数和(自身を除く): 39539248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27961, 55922, 111844, 139805, 195727, 279610, 391454, 559220, 782908, 978635, 1370089, 1957270, 2740178, 3914540, 5480356, 6850445, 13700890, 27401780]

約数ペア:

[(1, 27401780), (2, 13700890), (4, 6850445), (5, 5480356), (7, 3914540), (10, 2740178), (14, 1957270), (20, 1370089), (28, 978635), (35, 782908), (49, 559220), (70, 391454), (98, 279610), (140, 195727), (196, 139805), (245, 111844), (490, 55922), (980, 27961)]