218761390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{937}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 405486144

約数和(自身を除く): 186724754

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 631, 937, 1262, 1874, 3155, 4685, 6310, 9370, 23347, 34669, 46694, 69338, 116735, 173345, 233470, 346690, 591247, 1182494, 2956235, 5912470, 21876139, 43752278, 109380695, 218761390]

約数ペア:

[(1, 218761390), (2, 109380695), (5, 43752278), (10, 21876139), (37, 5912470), (74, 2956235), (185, 1182494), (370, 591247), (631, 346690), (937, 233470), (1262, 173345), (1874, 116735), (3155, 69338), (4685, 46694), (6310, 34669), (9370, 23347)]