257079348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 715478400

約数和(自身を除く): 458399052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 89, 103, 114, 123, 164, 171, 178, 206, 228, 246, 267, 309, 342, 356, 369, 412, 492, 534, 618, 684, 738, 779, 801, 927, 1068, 1236, 1476, 1558, 1602, 1691, 1854, 1957, 2337, 3116, 3204, 3382, 3649, 3708, 3914, 4223, 4674, 5073, 5871, 6764, 7011, 7298, 7828, 8446, 9167, 9348, 10146, 10947, 11742, 12669, 14022, 14596, 15219, 16892, 17613, 18334, 20292, 21894, 23484, 25338, 27501, 28044, 30438, 32841, 35226, 36668, 38007, 43788, 50676, 55002, 60876, 65682, 69331, 70452, 76014, 80237, 82503, 110004, 131364, 138662, 152028, 160474, 165006, 174173, 207993, 240711, 277324, 320948, 330012, 348346, 375847, 415986, 481422, 522519, 623979, 696692, 722133, 751694, 831972, 962844, 1045038, 1127541, 1247958, 1444266, 1503388, 1567557, 2090076, 2255082, 2495916, 2888532, 3135114, 3382623, 4510164, 6270228, 6765246, 7141093, 13530492, 14282186, 21423279, 28564372, 42846558, 64269837, 85693116, 128539674, 257079348]

約数ペア:

[(1, 257079348), (2, 128539674), (3, 85693116), (4, 64269837), (6, 42846558), (9, 28564372), (12, 21423279), (18, 14282186), (19, 13530492), (36, 7141093), (38, 6765246), (41, 6270228), (57, 4510164), (76, 3382623), (82, 3135114), (89, 2888532), (103, 2495916), (114, 2255082), (123, 2090076), (164, 1567557), (171, 1503388), (178, 1444266), (206, 1247958), (228, 1127541), (246, 1045038), (267, 962844), (309, 831972), (342, 751694), (356, 722133), (369, 696692), (412, 623979), (492, 522519), (534, 481422), (618, 415986), (684, 375847), (738, 348346), (779, 330012), (801, 320948), (927, 277324), (1068, 240711), (1236, 207993), (1476, 174173), (1558, 165006), (1602, 160474), (1691, 152028), (1854, 138662), (1957, 131364), (2337, 110004), (3116, 82503), (3204, 80237), (3382, 76014), (3649, 70452), (3708, 69331), (3914, 65682), (4223, 60876), (4674, 55002), (5073, 50676), (5871, 43788), (6764, 38007), (7011, 36668), (7298, 35226), (7828, 32841), (8446, 30438), (9167, 28044), (9348, 27501), (10146, 25338), (10947, 23484), (11742, 21894), (12669, 20292), (14022, 18334), (14596, 17613), (15219, 16892)]