51940420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1051}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 125129088

約数和(自身を除く): 73188668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1051, 1412, 1765, 2102, 2471, 3530, 4204, 4942, 5255, 7060, 7357, 9884, 10510, 12355, 14714, 21020, 24710, 29428, 36785, 49420, 73570, 147140, 371003, 742006, 1484012, 1855015, 2597021, 3710030, 5194042, 7420060, 10388084, 12985105, 25970210, 51940420]

約数ペア:

[(1, 51940420), (2, 25970210), (4, 12985105), (5, 10388084), (7, 7420060), (10, 5194042), (14, 3710030), (20, 2597021), (28, 1855015), (35, 1484012), (70, 742006), (140, 371003), (353, 147140), (706, 73570), (1051, 49420), (1412, 36785), (1765, 29428), (2102, 24710), (2471, 21020), (3530, 14714), (4204, 12355), (4942, 10510), (5255, 9884), (7060, 7357)]