225202220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 480217248

約数和(自身を除く): 255015028

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 251, 397, 452, 502, 565, 794, 1004, 1130, 1255, 1588, 1985, 2260, 2510, 3970, 5020, 7940, 28363, 44861, 56726, 89722, 99647, 113452, 141815, 179444, 199294, 224305, 283630, 398588, 448610, 498235, 567260, 897220, 996470, 1992940, 11260111, 22520222, 45040444, 56300555, 112601110, 225202220]

約数ペア:

[(1, 225202220), (2, 112601110), (4, 56300555), (5, 45040444), (10, 22520222), (20, 11260111), (113, 1992940), (226, 996470), (251, 897220), (397, 567260), (452, 498235), (502, 448610), (565, 398588), (794, 283630), (1004, 224305), (1130, 199294), (1255, 179444), (1588, 141815), (1985, 113452), (2260, 99647), (2510, 89722), (3970, 56726), (5020, 44861), (7940, 28363)]