216812260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9619}}^1$

素因数の和:9665

約数の個数: 72

約数和(自身を含む): 552726720

約数和(自身を除く): 335914460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9619, 11270, 19238, 22540, 38476, 48095, 67333, 96190, 134666, 192380, 221237, 269332, 336665, 442474, 471331, 673330, 884948, 942662, 1106185, 1346660, 1548659, 1885324, 2212370, 2356655, 3097318, 4424740, 4713310, 6194636, 7743295, 9426620, 10840613, 15486590, 21681226, 30973180, 43362452, 54203065, 108406130, 216812260]

約数ペア:

[(1, 216812260), (2, 108406130), (4, 54203065), (5, 43362452), (7, 30973180), (10, 21681226), (14, 15486590), (20, 10840613), (23, 9426620), (28, 7743295), (35, 6194636), (46, 4713310), (49, 4424740), (70, 3097318), (92, 2356655), (98, 2212370), (115, 1885324), (140, 1548659), (161, 1346660), (196, 1106185), (230, 942662), (245, 884948), (322, 673330), (460, 471331), (490, 442474), (644, 336665), (805, 269332), (980, 221237), (1127, 192380), (1610, 134666), (2254, 96190), (3220, 67333), (4508, 48095), (5635, 38476), (9619, 22540), (11270, 19238)]