978188470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1996303}}^1$

素因数の和:1996324

約数の個数: 24

約数和(自身を含む): 2048207904

約数和(自身を除く): 1070019434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1996303, 3992606, 9981515, 13974121, 19963030, 27948242, 69870605, 97818847, 139741210, 195637694, 489094235, 978188470]

約数ペア:

[(1, 978188470), (2, 489094235), (5, 195637694), (7, 139741210), (10, 97818847), (14, 69870605), (35, 27948242), (49, 19963030), (70, 13974121), (98, 9981515), (245, 3992606), (490, 1996303)]