219246520

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{7417}}^1$

素因数の和:8167

約数の個数: 32

約数和(自身を含む): 494038800

約数和(自身を除く): 274792280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 7417, 14780, 14834, 29560, 29668, 37085, 59336, 74170, 148340, 296680, 5481163, 10962326, 21924652, 27405815, 43849304, 54811630, 109623260, 219246520]

約数ペア:

[(1, 219246520), (2, 109623260), (4, 54811630), (5, 43849304), (8, 27405815), (10, 21924652), (20, 10962326), (40, 5481163), (739, 296680), (1478, 148340), (2956, 74170), (3695, 59336), (5912, 37085), (7390, 29668), (7417, 29560), (14780, 14834)]