198064760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19267}}^1$

素因数の和:19535

約数の個数: 32

約数和(自身を含む): 447402960

約数和(自身を除く): 249338200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19267, 38534, 77068, 96335, 154136, 192670, 385340, 770680, 4951619, 9903238, 19806476, 24758095, 39612952, 49516190, 99032380, 198064760]

約数ペア:

[(1, 198064760), (2, 99032380), (4, 49516190), (5, 39612952), (8, 24758095), (10, 19806476), (20, 9903238), (40, 4951619), (257, 770680), (514, 385340), (1028, 192670), (1285, 154136), (2056, 96335), (2570, 77068), (5140, 38534), (10280, 19267)]