210354620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40609}}^1$

素因数の和:40662

約数の個数: 48

約数和(自身を含む): 518508480

約数和(自身を除く): 308153860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 40609, 81218, 162436, 203045, 284263, 406090, 568526, 812180, 1137052, 1421315, 1502533, 2842630, 3005066, 5685260, 6010132, 7512665, 10517731, 15025330, 21035462, 30050660, 42070924, 52588655, 105177310, 210354620]

約数ペア:

[(1, 210354620), (2, 105177310), (4, 52588655), (5, 42070924), (7, 30050660), (10, 21035462), (14, 15025330), (20, 10517731), (28, 7512665), (35, 6010132), (37, 5685260), (70, 3005066), (74, 2842630), (140, 1502533), (148, 1421315), (185, 1137052), (259, 812180), (370, 568526), (518, 406090), (740, 284263), (1036, 203045), (1295, 162436), (2590, 81218), (5180, 40609)]