4921780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 10866240

約数和(自身を除く): 5944460

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 97, 118, 172, 194, 215, 236, 295, 388, 430, 485, 590, 860, 970, 1180, 1940, 2537, 4171, 5074, 5723, 8342, 10148, 11446, 12685, 16684, 20855, 22892, 25370, 28615, 41710, 50740, 57230, 83420, 114460, 246089, 492178, 984356, 1230445, 2460890, 4921780]

約数ペア:

[(1, 4921780), (2, 2460890), (4, 1230445), (5, 984356), (10, 492178), (20, 246089), (43, 114460), (59, 83420), (86, 57230), (97, 50740), (118, 41710), (172, 28615), (194, 25370), (215, 22892), (236, 20855), (295, 16684), (388, 12685), (430, 11446), (485, 10148), (590, 8342), (860, 5723), (970, 5074), (1180, 4171), (1940, 2537)]