164763650

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 312688320

約数和(自身を除く): 147924670

約数列:

[1, 2, 5, 10, 25, 50, 139, 151, 157, 278, 302, 314, 695, 755, 785, 1390, 1510, 1570, 3475, 3775, 3925, 6950, 7550, 7850, 20989, 21823, 23707, 41978, 43646, 47414, 104945, 109115, 118535, 209890, 218230, 237070, 524725, 545575, 592675, 1049450, 1091150, 1185350, 3295273, 6590546, 16476365, 32952730, 82381825, 164763650]

約数ペア:

[(1, 164763650), (2, 82381825), (5, 32952730), (10, 16476365), (25, 6590546), (50, 3295273), (139, 1185350), (151, 1091150), (157, 1049450), (278, 592675), (302, 545575), (314, 524725), (695, 237070), (755, 218230), (785, 209890), (1390, 118535), (1510, 109115), (1570, 104945), (3475, 47414), (3775, 43646), (3925, 41978), (6950, 23707), (7550, 21823), (7850, 20989)]