79644400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:839

約数の個数: 120

約数和(自身を含む): 218093184

約数和(自身を除く): 138448784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 176, 184, 200, 220, 230, 253, 275, 368, 400, 440, 460, 506, 550, 575, 787, 880, 920, 1012, 1100, 1150, 1265, 1574, 1840, 2024, 2200, 2300, 2530, 3148, 3935, 4048, 4400, 4600, 5060, 6296, 6325, 7870, 8657, 9200, 10120, 12592, 12650, 15740, 17314, 18101, 19675, 20240, 25300, 31480, 34628, 36202, 39350, 43285, 50600, 62960, 69256, 72404, 78700, 86570, 90505, 101200, 138512, 144808, 157400, 173140, 181010, 199111, 216425, 289616, 314800, 346280, 362020, 398222, 432850, 452525, 692560, 724040, 796444, 865700, 905050, 995555, 1448080, 1592888, 1731400, 1810100, 1991110, 3185776, 3462800, 3620200, 3982220, 4977775, 7240400, 7964440, 9955550, 15928880, 19911100, 39822200, 79644400]

約数ペア:

[(1, 79644400), (2, 39822200), (4, 19911100), (5, 15928880), (8, 9955550), (10, 7964440), (11, 7240400), (16, 4977775), (20, 3982220), (22, 3620200), (23, 3462800), (25, 3185776), (40, 1991110), (44, 1810100), (46, 1731400), (50, 1592888), (55, 1448080), (80, 995555), (88, 905050), (92, 865700), (100, 796444), (110, 724040), (115, 692560), (176, 452525), (184, 432850), (200, 398222), (220, 362020), (230, 346280), (253, 314800), (275, 289616), (368, 216425), (400, 199111), (440, 181010), (460, 173140), (506, 157400), (550, 144808), (575, 138512), (787, 101200), (880, 90505), (920, 86570), (1012, 78700), (1100, 72404), (1150, 69256), (1265, 62960), (1574, 50600), (1840, 43285), (2024, 39350), (2200, 36202), (2300, 34628), (2530, 31480), (3148, 25300), (3935, 20240), (4048, 19675), (4400, 18101), (4600, 17314), (5060, 15740), (6296, 12650), (6325, 12592), (7870, 10120), (8657, 9200)]