321597220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{10301}}^1$

素因数の和:10540

約数の個数: 48

約数和(自身を含む): 775369728

約数和(自身を除く): 453772508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 10301, 15610, 20602, 31220, 41204, 51505, 72107, 103010, 144214, 206020, 288428, 360535, 721070, 1442140, 2297123, 4594246, 9188492, 11485615, 16079861, 22971230, 32159722, 45942460, 64319444, 80399305, 160798610, 321597220]

約数ペア:

[(1, 321597220), (2, 160798610), (4, 80399305), (5, 64319444), (7, 45942460), (10, 32159722), (14, 22971230), (20, 16079861), (28, 11485615), (35, 9188492), (70, 4594246), (140, 2297123), (223, 1442140), (446, 721070), (892, 360535), (1115, 288428), (1561, 206020), (2230, 144214), (3122, 103010), (4460, 72107), (6244, 51505), (7805, 41204), (10301, 31220), (15610, 20602)]