251019640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{330289}}^1$

素因数の和:330319

約数の個数: 32

約数和(自身を含む): 594522000

約数和(自身を除く): 343502360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 330289, 660578, 1321156, 1651445, 2642312, 3302890, 6275491, 6605780, 12550982, 13211560, 25101964, 31377455, 50203928, 62754910, 125509820, 251019640]

約数ペア:

[(1, 251019640), (2, 125509820), (4, 62754910), (5, 50203928), (8, 31377455), (10, 25101964), (19, 13211560), (20, 12550982), (38, 6605780), (40, 6275491), (76, 3302890), (95, 2642312), (152, 1651445), (190, 1321156), (380, 660578), (760, 330289)]