71337140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{10399}}^1$

素因数の和:10429

約数の個数: 48

約数和(自身を含む): 174720000

約数和(自身を除く): 103382860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 10399, 20798, 41596, 51995, 72793, 103990, 145586, 207980, 291172, 363965, 509551, 727930, 1019102, 1455860, 2038204, 2547755, 3566857, 5095510, 7133714, 10191020, 14267428, 17834285, 35668570, 71337140]

約数ペア:

[(1, 71337140), (2, 35668570), (4, 17834285), (5, 14267428), (7, 10191020), (10, 7133714), (14, 5095510), (20, 3566857), (28, 2547755), (35, 2038204), (49, 1455860), (70, 1019102), (98, 727930), (140, 509551), (196, 363965), (245, 291172), (343, 207980), (490, 145586), (686, 103990), (980, 72793), (1372, 51995), (1715, 41596), (3430, 20798), (6860, 10399)]