279859398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 460415802

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 53, 57, 78, 91, 106, 114, 133, 159, 182, 247, 266, 273, 318, 371, 399, 494, 509, 546, 689, 741, 742, 798, 1007, 1018, 1113, 1378, 1482, 1527, 1729, 2014, 2067, 2226, 3021, 3054, 3458, 3563, 4134, 4823, 5187, 6042, 6617, 7049, 7126, 9646, 9671, 10374, 10689, 13091, 13234, 14098, 14469, 19342, 19851, 21147, 21378, 26182, 26977, 28938, 29013, 39273, 39702, 42294, 46319, 53954, 58026, 67697, 78546, 80931, 91637, 92638, 125723, 135394, 138957, 161862, 183274, 188839, 203091, 251446, 274911, 277914, 350701, 377169, 377678, 406182, 512563, 549822, 566517, 701402, 754338, 880061, 1025126, 1052103, 1133034, 1537689, 1760122, 2104206, 2454907, 2640183, 3075378, 3587941, 4909814, 5280366, 6663319, 7175882, 7364721, 10763823, 13326638, 14729442, 19989957, 21527646, 39979914, 46643233, 93286466, 139929699, 279859398]

約数ペア:

[(1, 279859398), (2, 139929699), (3, 93286466), (6, 46643233), (7, 39979914), (13, 21527646), (14, 19989957), (19, 14729442), (21, 13326638), (26, 10763823), (38, 7364721), (39, 7175882), (42, 6663319), (53, 5280366), (57, 4909814), (78, 3587941), (91, 3075378), (106, 2640183), (114, 2454907), (133, 2104206), (159, 1760122), (182, 1537689), (247, 1133034), (266, 1052103), (273, 1025126), (318, 880061), (371, 754338), (399, 701402), (494, 566517), (509, 549822), (546, 512563), (689, 406182), (741, 377678), (742, 377169), (798, 350701), (1007, 277914), (1018, 274911), (1113, 251446), (1378, 203091), (1482, 188839), (1527, 183274), (1729, 161862), (2014, 138957), (2067, 135394), (2226, 125723), (3021, 92638), (3054, 91637), (3458, 80931), (3563, 78546), (4134, 67697), (4823, 58026), (5187, 53954), (6042, 46319), (6617, 42294), (7049, 39702), (7126, 39273), (9646, 29013), (9671, 28938), (10374, 26977), (10689, 26182), (13091, 21378), (13234, 21147), (14098, 19851), (14469, 19342)]