31184020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 75172608

約数和(自身を除く): 43988588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 631, 706, 1262, 1412, 1765, 2471, 2524, 3155, 3530, 4417, 4942, 6310, 7060, 8834, 9884, 12355, 12620, 17668, 22085, 24710, 44170, 49420, 88340, 222743, 445486, 890972, 1113715, 1559201, 2227430, 3118402, 4454860, 6236804, 7796005, 15592010, 31184020]

約数ペア:

[(1, 31184020), (2, 15592010), (4, 7796005), (5, 6236804), (7, 4454860), (10, 3118402), (14, 2227430), (20, 1559201), (28, 1113715), (35, 890972), (70, 445486), (140, 222743), (353, 88340), (631, 49420), (706, 44170), (1262, 24710), (1412, 22085), (1765, 17668), (2471, 12620), (2524, 12355), (3155, 9884), (3530, 8834), (4417, 7060), (4942, 6310)]