157030420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 335075328

約数和(自身を除く): 178044908

約数列:

[1, 2, 4, 5, 10, 20, 127, 211, 254, 293, 422, 508, 586, 635, 844, 1055, 1172, 1270, 1465, 2110, 2540, 2930, 4220, 5860, 26797, 37211, 53594, 61823, 74422, 107188, 123646, 133985, 148844, 186055, 247292, 267970, 309115, 372110, 535940, 618230, 744220, 1236460, 7851521, 15703042, 31406084, 39257605, 78515210, 157030420]

約数ペア:

[(1, 157030420), (2, 78515210), (4, 39257605), (5, 31406084), (10, 15703042), (20, 7851521), (127, 1236460), (211, 744220), (254, 618230), (293, 535940), (422, 372110), (508, 309115), (586, 267970), (635, 247292), (844, 186055), (1055, 148844), (1172, 133985), (1270, 123646), (1465, 107188), (2110, 74422), (2540, 61823), (2930, 53594), (4220, 37211), (5860, 26797)]