138292640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45491}}^1$

素因数の和:45525

約数の個数: 48

約数和(自身を含む): 343919520

約数和(自身を除く): 205626880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 45491, 90982, 181964, 227455, 363928, 454910, 727856, 864329, 909820, 1455712, 1728658, 1819640, 3457316, 3639280, 4321645, 6914632, 7278560, 8643290, 13829264, 17286580, 27658528, 34573160, 69146320, 138292640]

約数ペア:

[(1, 138292640), (2, 69146320), (4, 34573160), (5, 27658528), (8, 17286580), (10, 13829264), (16, 8643290), (19, 7278560), (20, 6914632), (32, 4321645), (38, 3639280), (40, 3457316), (76, 1819640), (80, 1728658), (95, 1455712), (152, 909820), (160, 864329), (190, 727856), (304, 454910), (380, 363928), (608, 227455), (760, 181964), (1520, 90982), (3040, 45491)]