140461990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 278645184

約数和(自身を除く): 138183194

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 137, 163, 170, 185, 274, 326, 370, 629, 685, 815, 1258, 1370, 1630, 2329, 2771, 3145, 4658, 5069, 5542, 6031, 6290, 10138, 11645, 12062, 13855, 22331, 23290, 25345, 27710, 30155, 44662, 50690, 60310, 86173, 102527, 111655, 172346, 205054, 223310, 379627, 430865, 512635, 759254, 826247, 861730, 1025270, 1652494, 1898135, 3796270, 4131235, 8262470, 14046199, 28092398, 70230995, 140461990]

約数ペア:

[(1, 140461990), (2, 70230995), (5, 28092398), (10, 14046199), (17, 8262470), (34, 4131235), (37, 3796270), (74, 1898135), (85, 1652494), (137, 1025270), (163, 861730), (170, 826247), (185, 759254), (274, 512635), (326, 430865), (370, 379627), (629, 223310), (685, 205054), (815, 172346), (1258, 111655), (1370, 102527), (1630, 86173), (2329, 60310), (2771, 50690), (3145, 44662), (4658, 30155), (5069, 27710), (5542, 25345), (6031, 23290), (6290, 22331), (10138, 13855), (11645, 12062)]