508748380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{519131}}^1$

素因数の和:519154

約数の個数: 36

約数和(自身を含む): 1242802008

約数和(自身を除く): 734053628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 519131, 1038262, 2076524, 2595655, 3633917, 5191310, 7267834, 10382620, 14535668, 18169585, 25437419, 36339170, 50874838, 72678340, 101749676, 127187095, 254374190, 508748380]

約数ペア:

[(1, 508748380), (2, 254374190), (4, 127187095), (5, 101749676), (7, 72678340), (10, 50874838), (14, 36339170), (20, 25437419), (28, 18169585), (35, 14535668), (49, 10382620), (70, 7267834), (98, 5191310), (140, 3633917), (196, 2595655), (245, 2076524), (490, 1038262), (980, 519131)]