253412740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{8117}}^1$

素因数の和:8356

約数の個数: 48

約数和(自身を含む): 610993152

約数和(自身を除く): 357580412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 8117, 15610, 16234, 31220, 32468, 40585, 56819, 81170, 113638, 162340, 227276, 284095, 568190, 1136380, 1810091, 3620182, 7240364, 9050455, 12670637, 18100910, 25341274, 36201820, 50682548, 63353185, 126706370, 253412740]

約数ペア:

[(1, 253412740), (2, 126706370), (4, 63353185), (5, 50682548), (7, 36201820), (10, 25341274), (14, 18100910), (20, 12670637), (28, 9050455), (35, 7240364), (70, 3620182), (140, 1810091), (223, 1136380), (446, 568190), (892, 284095), (1115, 227276), (1561, 162340), (2230, 113638), (3122, 81170), (4460, 56819), (6244, 40585), (7805, 32468), (8117, 31220), (15610, 16234)]