129807500

素因数分解:

$2^2\times 5^4\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 286689480

約数和(自身を除く): 156881980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 250, 274, 379, 500, 548, 625, 685, 758, 1250, 1370, 1516, 1895, 2500, 2740, 3425, 3790, 6850, 7580, 9475, 13700, 17125, 18950, 34250, 37900, 47375, 51923, 68500, 85625, 94750, 103846, 171250, 189500, 207692, 236875, 259615, 342500, 473750, 519230, 947500, 1038460, 1298075, 2596150, 5192300, 6490375, 12980750, 25961500, 32451875, 64903750, 129807500]

約数ペア:

[(1, 129807500), (2, 64903750), (4, 32451875), (5, 25961500), (10, 12980750), (20, 6490375), (25, 5192300), (50, 2596150), (100, 1298075), (125, 1038460), (137, 947500), (250, 519230), (274, 473750), (379, 342500), (500, 259615), (548, 236875), (625, 207692), (685, 189500), (758, 171250), (1250, 103846), (1370, 94750), (1516, 85625), (1895, 68500), (2500, 51923), (2740, 47375), (3425, 37900), (3790, 34250), (6850, 18950), (7580, 17125), (9475, 13700)]