218070580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17153

約数の個数: 72

約数和(自身を含む): 573726888

約数和(自身を除く): 355656308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 17117, 34234, 68468, 85585, 119819, 171170, 222521, 239638, 342340, 445042, 479276, 599095, 838733, 890084, 1112605, 1198190, 1557647, 1677466, 2225210, 2396380, 3115294, 3354932, 4193665, 4450420, 6230588, 7788235, 8387330, 10903529, 15576470, 16774660, 21807058, 31152940, 43614116, 54517645, 109035290, 218070580]

約数ペア:

[(1, 218070580), (2, 109035290), (4, 54517645), (5, 43614116), (7, 31152940), (10, 21807058), (13, 16774660), (14, 15576470), (20, 10903529), (26, 8387330), (28, 7788235), (35, 6230588), (49, 4450420), (52, 4193665), (65, 3354932), (70, 3115294), (91, 2396380), (98, 2225210), (130, 1677466), (140, 1557647), (182, 1198190), (196, 1112605), (245, 890084), (260, 838733), (364, 599095), (455, 479276), (490, 445042), (637, 342340), (910, 239638), (980, 222521), (1274, 171170), (1820, 119819), (2548, 85585), (3185, 68468), (6370, 34234), (12740, 17117)]