38870420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 83911296

約数和(自身を除く): 45040876

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 151, 211, 244, 302, 305, 422, 604, 610, 755, 844, 1055, 1220, 1510, 2110, 3020, 4220, 9211, 12871, 18422, 25742, 31861, 36844, 46055, 51484, 63722, 64355, 92110, 127444, 128710, 159305, 184220, 257420, 318610, 637220, 1943521, 3887042, 7774084, 9717605, 19435210, 38870420]

約数ペア:

[(1, 38870420), (2, 19435210), (4, 9717605), (5, 7774084), (10, 3887042), (20, 1943521), (61, 637220), (122, 318610), (151, 257420), (211, 184220), (244, 159305), (302, 128710), (305, 127444), (422, 92110), (604, 64355), (610, 63722), (755, 51484), (844, 46055), (1055, 36844), (1220, 31861), (1510, 25742), (2110, 18422), (3020, 12871), (4220, 9211)]