205020060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{488143}}^1$

素因数の和:488162

約数の個数: 48

約数和(自身を含む): 656065536

約数和(自身を除く): 451045476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 488143, 976286, 1464429, 1952572, 2440715, 2928858, 3417001, 4881430, 5857716, 6834002, 7322145, 9762860, 10251003, 13668004, 14644290, 17085005, 20502006, 29288580, 34170010, 41004012, 51255015, 68340020, 102510030, 205020060]

約数ペア:

[(1, 205020060), (2, 102510030), (3, 68340020), (4, 51255015), (5, 41004012), (6, 34170010), (7, 29288580), (10, 20502006), (12, 17085005), (14, 14644290), (15, 13668004), (20, 10251003), (21, 9762860), (28, 7322145), (30, 6834002), (35, 5857716), (42, 4881430), (60, 3417001), (70, 2928858), (84, 2440715), (105, 1952572), (140, 1464429), (210, 976286), (420, 488143)]