71309210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{541}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 150144840

約数和(自身を除く): 78835630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 269, 490, 538, 541, 1082, 1345, 1883, 2690, 2705, 3766, 3787, 5410, 7574, 9415, 13181, 18830, 18935, 26362, 26509, 37870, 53018, 65905, 131810, 132545, 145529, 265090, 291058, 727645, 1018703, 1455290, 2037406, 5093515, 7130921, 10187030, 14261842, 35654605, 71309210]

約数ペア:

[(1, 71309210), (2, 35654605), (5, 14261842), (7, 10187030), (10, 7130921), (14, 5093515), (35, 2037406), (49, 1455290), (70, 1018703), (98, 727645), (245, 291058), (269, 265090), (490, 145529), (538, 132545), (541, 131810), (1082, 65905), (1345, 53018), (1883, 37870), (2690, 26509), (2705, 26362), (3766, 18935), (3787, 18830), (5410, 13181), (7574, 9415)]