230766020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 511660800

約数和(自身を除く): 280894780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 431, 862, 1409, 1724, 2155, 2818, 4310, 5636, 7045, 8189, 8620, 14090, 16378, 26771, 28180, 32756, 40945, 53542, 81890, 107084, 133855, 163780, 267710, 535420, 607279, 1214558, 2429116, 3036395, 6072790, 11538301, 12145580, 23076602, 46153204, 57691505, 115383010, 230766020]

約数ペア:

[(1, 230766020), (2, 115383010), (4, 57691505), (5, 46153204), (10, 23076602), (19, 12145580), (20, 11538301), (38, 6072790), (76, 3036395), (95, 2429116), (190, 1214558), (380, 607279), (431, 535420), (862, 267710), (1409, 163780), (1724, 133855), (2155, 107084), (2818, 81890), (4310, 53542), (5636, 40945), (7045, 32756), (8189, 28180), (8620, 26771), (14090, 16378)]