268088440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{599}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 616896000

約数和(自身を除く): 348807560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 167, 268, 334, 335, 536, 599, 668, 670, 835, 1198, 1336, 1340, 1670, 2396, 2680, 2995, 3340, 4792, 5990, 6680, 11189, 11980, 22378, 23960, 40133, 44756, 55945, 80266, 89512, 100033, 111890, 160532, 200066, 200665, 223780, 321064, 400132, 401330, 447560, 500165, 800264, 802660, 1000330, 1605320, 2000660, 4001320, 6702211, 13404422, 26808844, 33511055, 53617688, 67022110, 134044220, 268088440]

約数ペア:

[(1, 268088440), (2, 134044220), (4, 67022110), (5, 53617688), (8, 33511055), (10, 26808844), (20, 13404422), (40, 6702211), (67, 4001320), (134, 2000660), (167, 1605320), (268, 1000330), (334, 802660), (335, 800264), (536, 500165), (599, 447560), (668, 401330), (670, 400132), (835, 321064), (1198, 223780), (1336, 200665), (1340, 200066), (1670, 160532), (2396, 111890), (2680, 100033), (2995, 89512), (3340, 80266), (4792, 55945), (5990, 44756), (6680, 40133), (11189, 23960), (11980, 22378)]