211671990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 577886400

約数和(自身を除く): 366214410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 293, 345, 349, 414, 586, 690, 698, 879, 1035, 1047, 1465, 1745, 1758, 2070, 2094, 2637, 2930, 3141, 3490, 4395, 5235, 5274, 6282, 6739, 8027, 8790, 10470, 13185, 13478, 15705, 16054, 20217, 24081, 26370, 31410, 33695, 40135, 40434, 48162, 60651, 67390, 72243, 80270, 101085, 102257, 120405, 121302, 144486, 202170, 204514, 240810, 303255, 306771, 361215, 511285, 606510, 613542, 722430, 920313, 1022570, 1533855, 1840626, 2351911, 3067710, 4601565, 4703822, 7055733, 9203130, 11759555, 14111466, 21167199, 23519110, 35278665, 42334398, 70557330, 105835995, 211671990]

約数ペア:

[(1, 211671990), (2, 105835995), (3, 70557330), (5, 42334398), (6, 35278665), (9, 23519110), (10, 21167199), (15, 14111466), (18, 11759555), (23, 9203130), (30, 7055733), (45, 4703822), (46, 4601565), (69, 3067710), (90, 2351911), (115, 1840626), (138, 1533855), (207, 1022570), (230, 920313), (293, 722430), (345, 613542), (349, 606510), (414, 511285), (586, 361215), (690, 306771), (698, 303255), (879, 240810), (1035, 204514), (1047, 202170), (1465, 144486), (1745, 121302), (1758, 120405), (2070, 102257), (2094, 101085), (2637, 80270), (2930, 72243), (3141, 67390), (3490, 60651), (4395, 48162), (5235, 40434), (5274, 40135), (6282, 33695), (6739, 31410), (8027, 26370), (8790, 24081), (10470, 20217), (13185, 16054), (13478, 15705)]