90461840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 120

約数和(自身を含む): 250376832

約数和(自身を除く): 159914992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 491, 560, 658, 752, 784, 940, 980, 982, 1316, 1645, 1880, 1960, 1964, 2303, 2455, 2632, 3290, 3437, 3760, 3920, 3928, 4606, 4910, 5264, 6580, 6874, 7856, 9212, 9820, 11515, 13160, 13748, 17185, 18424, 19640, 23030, 23077, 24059, 26320, 27496, 34370, 36848, 39280, 46060, 46154, 48118, 54992, 68740, 92120, 92308, 96236, 115385, 120295, 137480, 161539, 184240, 184616, 192472, 230770, 240590, 274960, 323078, 369232, 384944, 461540, 481180, 646156, 807695, 923080, 962360, 1130773, 1292312, 1615390, 1846160, 1924720, 2261546, 2584624, 3230780, 4523092, 5653865, 6461560, 9046184, 11307730, 12923120, 18092368, 22615460, 45230920, 90461840]

約数ペア:

[(1, 90461840), (2, 45230920), (4, 22615460), (5, 18092368), (7, 12923120), (8, 11307730), (10, 9046184), (14, 6461560), (16, 5653865), (20, 4523092), (28, 3230780), (35, 2584624), (40, 2261546), (47, 1924720), (49, 1846160), (56, 1615390), (70, 1292312), (80, 1130773), (94, 962360), (98, 923080), (112, 807695), (140, 646156), (188, 481180), (196, 461540), (235, 384944), (245, 369232), (280, 323078), (329, 274960), (376, 240590), (392, 230770), (470, 192472), (490, 184616), (491, 184240), (560, 161539), (658, 137480), (752, 120295), (784, 115385), (940, 96236), (980, 92308), (982, 92120), (1316, 68740), (1645, 54992), (1880, 48118), (1960, 46154), (1964, 46060), (2303, 39280), (2455, 36848), (2632, 34370), (3290, 27496), (3437, 26320), (3760, 24059), (3920, 23077), (3928, 23030), (4606, 19640), (4910, 18424), (5264, 17185), (6580, 13748), (6874, 13160), (7856, 11515), (9212, 9820)]