250204980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{245299}}^1$

素因数の和:245328

約数の個数: 48

約数和(自身を含む): 741787200

約数和(自身を除く): 491582220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 245299, 490598, 735897, 981196, 1226495, 1471794, 2452990, 2943588, 3679485, 4170083, 4905980, 7358970, 8340166, 12510249, 14717940, 16680332, 20850415, 25020498, 41700830, 50040996, 62551245, 83401660, 125102490, 250204980]

約数ペア:

[(1, 250204980), (2, 125102490), (3, 83401660), (4, 62551245), (5, 50040996), (6, 41700830), (10, 25020498), (12, 20850415), (15, 16680332), (17, 14717940), (20, 12510249), (30, 8340166), (34, 7358970), (51, 4905980), (60, 4170083), (68, 3679485), (85, 2943588), (102, 2452990), (170, 1471794), (204, 1226495), (255, 981196), (340, 735897), (510, 490598), (1020, 245299)]