2570260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1669}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 6733440

約数和(自身を除く): 4163180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1669, 3338, 6676, 8345, 11683, 16690, 18359, 23366, 33380, 36718, 46732, 58415, 73436, 91795, 116830, 128513, 183590, 233660, 257026, 367180, 514052, 642565, 1285130, 2570260]

約数ペア:

[(1, 2570260), (2, 1285130), (4, 642565), (5, 514052), (7, 367180), (10, 257026), (11, 233660), (14, 183590), (20, 128513), (22, 116830), (28, 91795), (35, 73436), (44, 58415), (55, 46732), (70, 36718), (77, 33380), (110, 23366), (140, 18359), (154, 16690), (220, 11683), (308, 8345), (385, 6676), (770, 3338), (1540, 1669)]