791254220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1933}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 1687592928

約数和(自身を除く): 896338708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 211, 388, 422, 485, 844, 970, 1055, 1933, 1940, 2110, 3866, 4220, 7732, 9665, 19330, 20467, 38660, 40934, 81868, 102335, 187501, 204670, 375002, 407863, 409340, 750004, 815726, 937505, 1631452, 1875010, 2039315, 3750020, 4078630, 8157260, 39562711, 79125422, 158250844, 197813555, 395627110, 791254220]

約数ペア:

[(1, 791254220), (2, 395627110), (4, 197813555), (5, 158250844), (10, 79125422), (20, 39562711), (97, 8157260), (194, 4078630), (211, 3750020), (388, 2039315), (422, 1875010), (485, 1631452), (844, 937505), (970, 815726), (1055, 750004), (1933, 409340), (1940, 407863), (2110, 375002), (3866, 204670), (4220, 187501), (7732, 102335), (9665, 81868), (19330, 40934), (20467, 38660)]