207978372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 628992000

約数和(自身を除く): 421013628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 149, 174, 191, 203, 252, 261, 298, 348, 382, 406, 447, 522, 573, 596, 609, 764, 812, 894, 1043, 1044, 1146, 1218, 1337, 1341, 1719, 1788, 1827, 2086, 2292, 2436, 2674, 2682, 3129, 3438, 3654, 4011, 4172, 4321, 5348, 5364, 5539, 6258, 6876, 7308, 8022, 8642, 9387, 11078, 12033, 12516, 12963, 16044, 16617, 17284, 18774, 22156, 24066, 25926, 28459, 30247, 33234, 37548, 38773, 38889, 48132, 49851, 51852, 56918, 60494, 66468, 77546, 77778, 85377, 90741, 99702, 113836, 116319, 120988, 155092, 155556, 170754, 181482, 199213, 199404, 232638, 256131, 272223, 341508, 348957, 362964, 398426, 465276, 512262, 544446, 597639, 697914, 796852, 825311, 1024524, 1088892, 1195278, 1395828, 1650622, 1792917, 2390556, 2475933, 3301244, 3585834, 4951866, 5777177, 7171668, 7427799, 9903732, 11554354, 14855598, 17331531, 23108708, 29711196, 34663062, 51994593, 69326124, 103989186, 207978372]

約数ペア:

[(1, 207978372), (2, 103989186), (3, 69326124), (4, 51994593), (6, 34663062), (7, 29711196), (9, 23108708), (12, 17331531), (14, 14855598), (18, 11554354), (21, 9903732), (28, 7427799), (29, 7171668), (36, 5777177), (42, 4951866), (58, 3585834), (63, 3301244), (84, 2475933), (87, 2390556), (116, 1792917), (126, 1650622), (149, 1395828), (174, 1195278), (191, 1088892), (203, 1024524), (252, 825311), (261, 796852), (298, 697914), (348, 597639), (382, 544446), (406, 512262), (447, 465276), (522, 398426), (573, 362964), (596, 348957), (609, 341508), (764, 272223), (812, 256131), (894, 232638), (1043, 199404), (1044, 199213), (1146, 181482), (1218, 170754), (1337, 155556), (1341, 155092), (1719, 120988), (1788, 116319), (1827, 113836), (2086, 99702), (2292, 90741), (2436, 85377), (2674, 77778), (2682, 77546), (3129, 66468), (3438, 60494), (3654, 56918), (4011, 51852), (4172, 49851), (4321, 48132), (5348, 38889), (5364, 38773), (5539, 37548), (6258, 33234), (6876, 30247), (7308, 28459), (8022, 25926), (8642, 24066), (9387, 22156), (11078, 18774), (12033, 17284), (12516, 16617), (12963, 16044)]