197231360

素因数分解:

$2^8\times 5^1\times {\mathrm{154087}}^1$

素因数の和:154108

約数の個数: 36

約数和(自身を含む): 472433808

約数和(自身を除く): 275202448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 154087, 308174, 616348, 770435, 1232696, 1540870, 2465392, 3081740, 4930784, 6163480, 9861568, 12326960, 19723136, 24653920, 39446272, 49307840, 98615680, 197231360]

約数ペア:

[(1, 197231360), (2, 98615680), (4, 49307840), (5, 39446272), (8, 24653920), (10, 19723136), (16, 12326960), (20, 9861568), (32, 6163480), (40, 4930784), (64, 3081740), (80, 2465392), (128, 1540870), (160, 1232696), (256, 770435), (320, 616348), (640, 308174), (1280, 154087)]