205120160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:886

約数の個数: 96

約数和(自身を含む): 556440192

約数和(自身を除く): 351320032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 373, 491, 560, 746, 982, 1120, 1492, 1865, 1964, 2455, 2611, 2984, 3437, 3730, 3928, 4910, 5222, 5968, 6874, 7460, 7856, 9820, 10444, 11936, 13055, 13748, 14920, 15712, 17185, 19640, 20888, 26110, 27496, 29840, 34370, 39280, 41776, 52220, 54992, 59680, 68740, 78560, 83552, 104440, 109984, 137480, 183143, 208880, 274960, 366286, 417760, 549920, 732572, 915715, 1282001, 1465144, 1831430, 2564002, 2930288, 3662860, 5128004, 5860576, 6410005, 7325720, 10256008, 12820010, 14651440, 20512016, 25640020, 29302880, 41024032, 51280040, 102560080, 205120160]

約数ペア:

[(1, 205120160), (2, 102560080), (4, 51280040), (5, 41024032), (7, 29302880), (8, 25640020), (10, 20512016), (14, 14651440), (16, 12820010), (20, 10256008), (28, 7325720), (32, 6410005), (35, 5860576), (40, 5128004), (56, 3662860), (70, 2930288), (80, 2564002), (112, 1831430), (140, 1465144), (160, 1282001), (224, 915715), (280, 732572), (373, 549920), (491, 417760), (560, 366286), (746, 274960), (982, 208880), (1120, 183143), (1492, 137480), (1865, 109984), (1964, 104440), (2455, 83552), (2611, 78560), (2984, 68740), (3437, 59680), (3730, 54992), (3928, 52220), (4910, 41776), (5222, 39280), (5968, 34370), (6874, 29840), (7460, 27496), (7856, 26110), (9820, 20888), (10444, 19640), (11936, 17185), (13055, 15712), (13748, 14920)]