127789250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{26903}}^1$

素因数の和:26939

約数の個数: 32

約数和(自身を含む): 251821440

約数和(自身を除く): 124032190

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 26903, 53806, 134515, 269030, 511157, 672575, 1022314, 1345150, 2555785, 3362875, 5111570, 6725750, 12778925, 25557850, 63894625, 127789250]

約数ペア:

[(1, 127789250), (2, 63894625), (5, 25557850), (10, 12778925), (19, 6725750), (25, 5111570), (38, 3362875), (50, 2555785), (95, 1345150), (125, 1022314), (190, 672575), (250, 511157), (475, 269030), (950, 134515), (2375, 53806), (4750, 26903)]