290556552

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2795

約数の個数: 128

約数和(自身を含む): 881233920

約数和(自身を除く): 590677368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 312, 341, 372, 403, 429, 572, 682, 744, 806, 858, 1023, 1144, 1209, 1364, 1612, 1716, 2046, 2418, 2728, 2731, 3224, 3432, 4092, 4433, 4836, 5462, 8184, 8193, 8866, 9672, 10924, 13299, 16386, 17732, 21848, 26598, 30041, 32772, 35464, 35503, 53196, 60082, 65544, 71006, 84661, 90123, 106392, 106509, 120164, 142012, 169322, 180246, 213018, 240328, 253983, 284024, 338644, 360492, 390533, 426036, 507966, 677288, 720984, 781066, 852072, 931271, 1015932, 1100593, 1171599, 1562132, 1862542, 2031864, 2201186, 2343198, 2793813, 3124264, 3301779, 3725084, 4402372, 4686396, 5587626, 6603558, 7450168, 8804744, 9372792, 11175252, 12106523, 13207116, 22350504, 24213046, 26414232, 36319569, 48426092, 72639138, 96852184, 145278276, 290556552]

約数ペア:

[(1, 290556552), (2, 145278276), (3, 96852184), (4, 72639138), (6, 48426092), (8, 36319569), (11, 26414232), (12, 24213046), (13, 22350504), (22, 13207116), (24, 12106523), (26, 11175252), (31, 9372792), (33, 8804744), (39, 7450168), (44, 6603558), (52, 5587626), (62, 4686396), (66, 4402372), (78, 3725084), (88, 3301779), (93, 3124264), (104, 2793813), (124, 2343198), (132, 2201186), (143, 2031864), (156, 1862542), (186, 1562132), (248, 1171599), (264, 1100593), (286, 1015932), (312, 931271), (341, 852072), (372, 781066), (403, 720984), (429, 677288), (572, 507966), (682, 426036), (744, 390533), (806, 360492), (858, 338644), (1023, 284024), (1144, 253983), (1209, 240328), (1364, 213018), (1612, 180246), (1716, 169322), (2046, 142012), (2418, 120164), (2728, 106509), (2731, 106392), (3224, 90123), (3432, 84661), (4092, 71006), (4433, 65544), (4836, 60082), (5462, 53196), (8184, 35503), (8193, 35464), (8866, 32772), (9672, 30041), (10924, 26598), (13299, 21848), (16386, 17732)]