149761520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45659}}^1$

素因数の和:45713

約数の個数: 40

約数和(自身を含む): 356695920

約数和(自身を除く): 206934400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 45659, 91318, 182636, 228295, 365272, 456590, 730544, 913180, 1826360, 1872019, 3652720, 3744038, 7488076, 9360095, 14976152, 18720190, 29952304, 37440380, 74880760, 149761520]

約数ペア:

[(1, 149761520), (2, 74880760), (4, 37440380), (5, 29952304), (8, 18720190), (10, 14976152), (16, 9360095), (20, 7488076), (40, 3744038), (41, 3652720), (80, 1872019), (82, 1826360), (164, 913180), (205, 730544), (328, 456590), (410, 365272), (656, 228295), (820, 182636), (1640, 91318), (3280, 45659)]