401331340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{299501}}^1$

素因数の和:299577

約数の個数: 24

約数和(自身を含む): 855377712

約数和(自身を除く): 454046372

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 299501, 599002, 1198004, 1497505, 2995010, 5990020, 20066567, 40133134, 80266268, 100332835, 200665670, 401331340]

約数ペア:

[(1, 401331340), (2, 200665670), (4, 100332835), (5, 80266268), (10, 40133134), (20, 20066567), (67, 5990020), (134, 2995010), (268, 1497505), (335, 1198004), (670, 599002), (1340, 299501)]