90780176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4457}}^1$

素因数の和:4551

約数の個数: 40

約数和(自身を含む): 187949280

約数和(自身を除く): 97169104

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 4457, 5092, 8914, 10184, 17828, 20368, 35656, 71312, 84683, 169366, 298619, 338732, 597238, 677464, 1194476, 1354928, 2388952, 4777904, 5673761, 11347522, 22695044, 45390088, 90780176]

約数ペア:

[(1, 90780176), (2, 45390088), (4, 22695044), (8, 11347522), (16, 5673761), (19, 4777904), (38, 2388952), (67, 1354928), (76, 1194476), (134, 677464), (152, 597238), (268, 338732), (304, 298619), (536, 169366), (1072, 84683), (1273, 71312), (2546, 35656), (4457, 20368), (5092, 17828), (8914, 10184)]