128526550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 249492960

約数和(自身を除く): 120966410

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 137, 145, 274, 290, 647, 685, 725, 1294, 1370, 1450, 3235, 3425, 3973, 6470, 6850, 7946, 16175, 18763, 19865, 32350, 37526, 39730, 88639, 93815, 99325, 177278, 187630, 198650, 443195, 469075, 886390, 938150, 2215975, 2570531, 4431950, 5141062, 12852655, 25705310, 64263275, 128526550]

約数ペア:

[(1, 128526550), (2, 64263275), (5, 25705310), (10, 12852655), (25, 5141062), (29, 4431950), (50, 2570531), (58, 2215975), (137, 938150), (145, 886390), (274, 469075), (290, 443195), (647, 198650), (685, 187630), (725, 177278), (1294, 99325), (1370, 93815), (1450, 88639), (3235, 39730), (3425, 37526), (3973, 32350), (6470, 19865), (6850, 18763), (7946, 16175)]