251312904

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 768268800

約数和(自身を除く): 516955896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 34, 36, 46, 51, 68, 69, 72, 79, 92, 102, 113, 136, 138, 153, 158, 184, 204, 207, 226, 237, 276, 306, 316, 339, 391, 408, 414, 452, 474, 552, 612, 632, 678, 711, 782, 828, 904, 948, 1017, 1173, 1224, 1343, 1356, 1422, 1564, 1656, 1817, 1896, 1921, 2034, 2346, 2599, 2686, 2712, 2844, 3128, 3519, 3634, 3842, 4029, 4068, 4692, 5198, 5372, 5451, 5688, 5763, 7038, 7268, 7684, 7797, 8058, 8136, 8927, 9384, 10396, 10744, 10902, 11526, 12087, 14076, 14536, 15368, 15594, 16116, 16353, 17289, 17854, 20792, 21804, 23052, 23391, 24174, 26781, 28152, 30889, 31188, 32232, 32706, 34578, 35708, 43608, 44183, 46104, 46782, 48348, 53562, 61778, 62376, 65412, 69156, 71416, 80343, 88366, 92667, 93564, 96696, 107124, 123556, 130824, 132549, 138312, 151759, 160686, 176732, 185334, 187128, 205321, 214248, 247112, 265098, 278001, 303518, 321372, 353464, 370668, 397647, 410642, 455277, 530196, 556002, 607036, 615963, 642744, 741336, 795294, 821284, 910554, 1060392, 1112004, 1214072, 1231926, 1365831, 1590588, 1642568, 1821108, 1847889, 2224008, 2463852, 2731662, 3181176, 3490457, 3642216, 3695778, 4927704, 5463324, 6980914, 7391556, 10471371, 10926648, 13961828, 14783112, 20942742, 27923656, 31414113, 41885484, 62828226, 83770968, 125656452, 251312904]

約数ペア:

[(1, 251312904), (2, 125656452), (3, 83770968), (4, 62828226), (6, 41885484), (8, 31414113), (9, 27923656), (12, 20942742), (17, 14783112), (18, 13961828), (23, 10926648), (24, 10471371), (34, 7391556), (36, 6980914), (46, 5463324), (51, 4927704), (68, 3695778), (69, 3642216), (72, 3490457), (79, 3181176), (92, 2731662), (102, 2463852), (113, 2224008), (136, 1847889), (138, 1821108), (153, 1642568), (158, 1590588), (184, 1365831), (204, 1231926), (207, 1214072), (226, 1112004), (237, 1060392), (276, 910554), (306, 821284), (316, 795294), (339, 741336), (391, 642744), (408, 615963), (414, 607036), (452, 556002), (474, 530196), (552, 455277), (612, 410642), (632, 397647), (678, 370668), (711, 353464), (782, 321372), (828, 303518), (904, 278001), (948, 265098), (1017, 247112), (1173, 214248), (1224, 205321), (1343, 187128), (1356, 185334), (1422, 176732), (1564, 160686), (1656, 151759), (1817, 138312), (1896, 132549), (1921, 130824), (2034, 123556), (2346, 107124), (2599, 96696), (2686, 93564), (2712, 92667), (2844, 88366), (3128, 80343), (3519, 71416), (3634, 69156), (3842, 65412), (4029, 62376), (4068, 61778), (4692, 53562), (5198, 48348), (5372, 46782), (5451, 46104), (5688, 44183), (5763, 43608), (7038, 35708), (7268, 34578), (7684, 32706), (7797, 32232), (8058, 31188), (8136, 30889), (8927, 28152), (9384, 26781), (10396, 24174), (10744, 23391), (10902, 23052), (11526, 21804), (12087, 20792), (14076, 17854), (14536, 17289), (15368, 16353), (15594, 16116)]