128965550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{52639}}^1$

素因数の和:52665

約数の個数: 36

約数和(自身を含む): 279044640

約数和(自身を除く): 150079090

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 52639, 105278, 263195, 368473, 526390, 736946, 1315975, 1842365, 2579311, 2631950, 3684730, 5158622, 9211825, 12896555, 18423650, 25793110, 64482775, 128965550]

約数ペア:

[(1, 128965550), (2, 64482775), (5, 25793110), (7, 18423650), (10, 12896555), (14, 9211825), (25, 5158622), (35, 3684730), (49, 2631950), (50, 2579311), (70, 1842365), (98, 1315975), (175, 736946), (245, 526390), (350, 368473), (490, 263195), (1225, 105278), (2450, 52639)]