2155432972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 4964198400

約数和(自身を除く): 2808765428

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 89, 94, 98, 154, 178, 188, 196, 239, 308, 329, 356, 478, 517, 539, 623, 658, 956, 979, 1034, 1078, 1246, 1316, 1673, 1958, 2068, 2156, 2303, 2492, 2629, 3346, 3619, 3916, 4183, 4361, 4606, 5258, 6692, 6853, 7238, 8366, 8722, 9212, 10516, 11233, 11711, 13706, 14476, 16732, 17444, 18403, 21271, 22466, 23422, 25333, 27412, 29281, 36806, 42542, 44932, 46013, 46844, 47971, 50666, 58562, 73612, 78631, 85084, 92026, 95942, 101332, 117124, 123563, 128821, 148897, 157262, 184052, 191884, 204967, 233981, 247126, 257642, 297794, 314524, 322091, 409934, 467962, 494252, 515284, 550417, 595588, 644182, 819868, 864941, 935924, 999737, 1042279, 1100834, 1288364, 1637867, 1729882, 1999474, 2084558, 2201668, 2254637, 3275734, 3459764, 3998948, 4169116, 4509274, 6054587, 6551468, 6998159, 9018548, 10997107, 11465069, 12109174, 13996318, 21994214, 22930138, 24218348, 27992636, 43988428, 45860276, 48987113, 76979749, 97974226, 153959498, 195948452, 307918996, 538858243, 1077716486, 2155432972]

約数ペア:

[(1, 2155432972), (2, 1077716486), (4, 538858243), (7, 307918996), (11, 195948452), (14, 153959498), (22, 97974226), (28, 76979749), (44, 48987113), (47, 45860276), (49, 43988428), (77, 27992636), (89, 24218348), (94, 22930138), (98, 21994214), (154, 13996318), (178, 12109174), (188, 11465069), (196, 10997107), (239, 9018548), (308, 6998159), (329, 6551468), (356, 6054587), (478, 4509274), (517, 4169116), (539, 3998948), (623, 3459764), (658, 3275734), (956, 2254637), (979, 2201668), (1034, 2084558), (1078, 1999474), (1246, 1729882), (1316, 1637867), (1673, 1288364), (1958, 1100834), (2068, 1042279), (2156, 999737), (2303, 935924), (2492, 864941), (2629, 819868), (3346, 644182), (3619, 595588), (3916, 550417), (4183, 515284), (4361, 494252), (4606, 467962), (5258, 409934), (6692, 322091), (6853, 314524), (7238, 297794), (8366, 257642), (8722, 247126), (9212, 233981), (10516, 204967), (11233, 191884), (11711, 184052), (13706, 157262), (14476, 148897), (16732, 128821), (17444, 123563), (18403, 117124), (21271, 101332), (22466, 95942), (23422, 92026), (25333, 85084), (27412, 78631), (29281, 73612), (36806, 58562), (42542, 50666), (44932, 47971), (46013, 46844)]