38687420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 86973600

約数和(自身を除く): 48286180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1669, 2318, 3338, 4636, 5795, 6676, 8345, 11590, 16690, 23180, 31711, 33380, 63422, 101809, 126844, 158555, 203618, 317110, 407236, 509045, 634220, 1018090, 1934371, 2036180, 3868742, 7737484, 9671855, 19343710, 38687420]

約数ペア:

[(1, 38687420), (2, 19343710), (4, 9671855), (5, 7737484), (10, 3868742), (19, 2036180), (20, 1934371), (38, 1018090), (61, 634220), (76, 509045), (95, 407236), (122, 317110), (190, 203618), (244, 158555), (305, 126844), (380, 101809), (610, 63422), (1159, 33380), (1220, 31711), (1669, 23180), (2318, 16690), (3338, 11590), (4636, 8345), (5795, 6676)]