428039950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{953}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 859538736

約数和(自身を除く): 431498786

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 691, 953, 1382, 1906, 3455, 4765, 6910, 8983, 9530, 12389, 17275, 17966, 23825, 24778, 34550, 44915, 47650, 61945, 89830, 123890, 224575, 309725, 449150, 619450, 658523, 1317046, 3292615, 6585230, 8560799, 16463075, 17121598, 32926150, 42803995, 85607990, 214019975, 428039950]

約数ペア:

[(1, 428039950), (2, 214019975), (5, 85607990), (10, 42803995), (13, 32926150), (25, 17121598), (26, 16463075), (50, 8560799), (65, 6585230), (130, 3292615), (325, 1317046), (650, 658523), (691, 619450), (953, 449150), (1382, 309725), (1906, 224575), (3455, 123890), (4765, 89830), (6910, 61945), (8983, 47650), (9530, 44915), (12389, 34550), (17275, 24778), (17966, 23825)]