311949828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 880588800

約数和(自身を除く): 568638972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 79, 92, 114, 138, 158, 171, 207, 228, 237, 251, 276, 316, 342, 414, 437, 474, 502, 684, 711, 753, 828, 874, 948, 1004, 1311, 1422, 1501, 1506, 1748, 1817, 2259, 2622, 2844, 3002, 3012, 3634, 3933, 4503, 4518, 4769, 5244, 5451, 5773, 6004, 7268, 7866, 9006, 9036, 9538, 10902, 11546, 13509, 14307, 15732, 16353, 17319, 18012, 19076, 19829, 21804, 23092, 27018, 28614, 32706, 34523, 34638, 39658, 42921, 51957, 54036, 57228, 59487, 65412, 69046, 69276, 79316, 85842, 103569, 103914, 109687, 118974, 138092, 171684, 178461, 207138, 207828, 219374, 237948, 310707, 329061, 356922, 376751, 414276, 438748, 456067, 621414, 658122, 713844, 753502, 912134, 987183, 1130253, 1242828, 1316244, 1368201, 1507004, 1824268, 1974366, 2260506, 2736402, 3390759, 3948732, 4104603, 4521012, 5472804, 6781518, 8209206, 8665273, 13563036, 16418412, 17330546, 25995819, 34661092, 51991638, 77987457, 103983276, 155974914, 311949828]

約数ペア:

[(1, 311949828), (2, 155974914), (3, 103983276), (4, 77987457), (6, 51991638), (9, 34661092), (12, 25995819), (18, 17330546), (19, 16418412), (23, 13563036), (36, 8665273), (38, 8209206), (46, 6781518), (57, 5472804), (69, 4521012), (76, 4104603), (79, 3948732), (92, 3390759), (114, 2736402), (138, 2260506), (158, 1974366), (171, 1824268), (207, 1507004), (228, 1368201), (237, 1316244), (251, 1242828), (276, 1130253), (316, 987183), (342, 912134), (414, 753502), (437, 713844), (474, 658122), (502, 621414), (684, 456067), (711, 438748), (753, 414276), (828, 376751), (874, 356922), (948, 329061), (1004, 310707), (1311, 237948), (1422, 219374), (1501, 207828), (1506, 207138), (1748, 178461), (1817, 171684), (2259, 138092), (2622, 118974), (2844, 109687), (3002, 103914), (3012, 103569), (3634, 85842), (3933, 79316), (4503, 69276), (4518, 69046), (4769, 65412), (5244, 59487), (5451, 57228), (5773, 54036), (6004, 51957), (7268, 42921), (7866, 39658), (9006, 34638), (9036, 34523), (9538, 32706), (10902, 28614), (11546, 27018), (13509, 23092), (14307, 21804), (15732, 19829), (16353, 19076), (17319, 18012)]