214918940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 465393600

約数和(自身を除く): 250474660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 359, 370, 718, 740, 809, 1436, 1618, 1795, 3236, 3590, 4045, 7180, 8090, 13283, 16180, 26566, 29933, 53132, 59866, 66415, 119732, 132830, 149665, 265660, 290431, 299330, 580862, 598660, 1161724, 1452155, 2904310, 5808620, 10745947, 21491894, 42983788, 53729735, 107459470, 214918940]

約数ペア:

[(1, 214918940), (2, 107459470), (4, 53729735), (5, 42983788), (10, 21491894), (20, 10745947), (37, 5808620), (74, 2904310), (148, 1452155), (185, 1161724), (359, 598660), (370, 580862), (718, 299330), (740, 290431), (809, 265660), (1436, 149665), (1618, 132830), (1795, 119732), (3236, 66415), (3590, 59866), (4045, 53132), (7180, 29933), (8090, 26566), (13283, 16180)]