178227828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11329}}^1$

素因数の和:11381

約数の個数: 72

約数和(自身を含む): 494894400

約数和(自身を除く): 316666572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 2622, 3933, 5244, 7866, 11329, 15732, 22658, 33987, 45316, 67974, 101961, 135948, 203922, 215251, 260567, 407844, 430502, 521134, 645753, 781701, 861004, 1042268, 1291506, 1563402, 1937259, 2345103, 2583012, 3126804, 3874518, 4690206, 4950773, 7749036, 9380412, 9901546, 14852319, 19803092, 29704638, 44556957, 59409276, 89113914, 178227828]

約数ペア:

[(1, 178227828), (2, 89113914), (3, 59409276), (4, 44556957), (6, 29704638), (9, 19803092), (12, 14852319), (18, 9901546), (19, 9380412), (23, 7749036), (36, 4950773), (38, 4690206), (46, 3874518), (57, 3126804), (69, 2583012), (76, 2345103), (92, 1937259), (114, 1563402), (138, 1291506), (171, 1042268), (207, 861004), (228, 781701), (276, 645753), (342, 521134), (414, 430502), (437, 407844), (684, 260567), (828, 215251), (874, 203922), (1311, 135948), (1748, 101961), (2622, 67974), (3933, 45316), (5244, 33987), (7866, 22658), (11329, 15732)]