79971990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{380819}}^1$

素因数の和:380836

約数の個数: 32

約数和(自身を含む): 219352320

約数和(自身を除く): 139380330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 380819, 761638, 1142457, 1904095, 2284914, 2665733, 3808190, 5331466, 5712285, 7997199, 11424570, 13328665, 15994398, 26657330, 39985995, 79971990]

約数ペア:

[(1, 79971990), (2, 39985995), (3, 26657330), (5, 15994398), (6, 13328665), (7, 11424570), (10, 7997199), (14, 5712285), (15, 5331466), (21, 3808190), (30, 2665733), (35, 2284914), (42, 1904095), (70, 1142457), (105, 761638), (210, 380819)]