16229080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 42120000

約数和(自身を除く): 25890920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 389, 596, 745, 778, 1043, 1192, 1490, 1556, 1945, 2086, 2723, 2980, 3112, 3890, 4172, 5215, 5446, 5960, 7780, 8344, 10430, 10892, 13615, 15560, 20860, 21784, 27230, 41720, 54460, 57961, 108920, 115922, 231844, 289805, 405727, 463688, 579610, 811454, 1159220, 1622908, 2028635, 2318440, 3245816, 4057270, 8114540, 16229080]

約数ペア:

[(1, 16229080), (2, 8114540), (4, 4057270), (5, 3245816), (7, 2318440), (8, 2028635), (10, 1622908), (14, 1159220), (20, 811454), (28, 579610), (35, 463688), (40, 405727), (56, 289805), (70, 231844), (140, 115922), (149, 108920), (280, 57961), (298, 54460), (389, 41720), (596, 27230), (745, 21784), (778, 20860), (1043, 15560), (1192, 13615), (1490, 10892), (1556, 10430), (1945, 8344), (2086, 7780), (2723, 5960), (2980, 5446), (3112, 5215), (3890, 4172)]