400704304

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 1055932416

約数和(自身を除く): 655228112

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 127, 143, 154, 176, 182, 197, 208, 254, 286, 308, 364, 394, 508, 572, 616, 728, 788, 889, 1001, 1016, 1144, 1232, 1379, 1397, 1456, 1576, 1651, 1778, 2002, 2032, 2167, 2288, 2561, 2758, 2794, 3152, 3302, 3556, 4004, 4334, 5122, 5516, 5588, 6604, 7112, 8008, 8668, 9779, 10244, 11032, 11176, 11557, 13208, 14224, 15169, 16016, 17336, 17927, 18161, 19558, 20488, 22064, 22352, 23114, 25019, 26416, 28171, 30338, 34672, 35854, 36322, 39116, 40976, 46228, 50038, 56342, 60676, 71708, 72644, 78232, 92456, 100076, 112684, 121352, 127127, 143416, 145288, 156464, 175133, 184912, 197197, 200152, 225368, 242704, 254254, 275209, 286832, 290576, 325247, 350266, 394394, 400304, 450736, 508508, 550418, 650494, 700532, 788788, 1017016, 1100836, 1300988, 1401064, 1577576, 1926463, 2034032, 2201672, 2276729, 2601976, 2802128, 3155152, 3577717, 3852926, 4403344, 4553458, 5203952, 7155434, 7705852, 9106916, 14310868, 15411704, 18213832, 25044019, 28621736, 30823408, 36427664, 50088038, 57243472, 100176076, 200352152, 400704304]

約数ペア:

[(1, 400704304), (2, 200352152), (4, 100176076), (7, 57243472), (8, 50088038), (11, 36427664), (13, 30823408), (14, 28621736), (16, 25044019), (22, 18213832), (26, 15411704), (28, 14310868), (44, 9106916), (52, 7705852), (56, 7155434), (77, 5203952), (88, 4553458), (91, 4403344), (104, 3852926), (112, 3577717), (127, 3155152), (143, 2802128), (154, 2601976), (176, 2276729), (182, 2201672), (197, 2034032), (208, 1926463), (254, 1577576), (286, 1401064), (308, 1300988), (364, 1100836), (394, 1017016), (508, 788788), (572, 700532), (616, 650494), (728, 550418), (788, 508508), (889, 450736), (1001, 400304), (1016, 394394), (1144, 350266), (1232, 325247), (1379, 290576), (1397, 286832), (1456, 275209), (1576, 254254), (1651, 242704), (1778, 225368), (2002, 200152), (2032, 197197), (2167, 184912), (2288, 175133), (2561, 156464), (2758, 145288), (2794, 143416), (3152, 127127), (3302, 121352), (3556, 112684), (4004, 100076), (4334, 92456), (5122, 78232), (5516, 72644), (5588, 71708), (6604, 60676), (7112, 56342), (8008, 50038), (8668, 46228), (9779, 40976), (10244, 39116), (11032, 36322), (11176, 35854), (11557, 34672), (13208, 30338), (14224, 28171), (15169, 26416), (16016, 25019), (17336, 23114), (17927, 22352), (18161, 22064), (19558, 20488)]