259722890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{26693}}^1$

素因数の和:26846

約数の個数: 32

約数和(自身を含む): 538151040

約数和(自身を除く): 278428150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 26693, 53386, 133465, 186851, 266930, 373702, 934255, 1868510, 3710327, 7420654, 18551635, 25972289, 37103270, 51944578, 129861445, 259722890]

約数ペア:

[(1, 259722890), (2, 129861445), (5, 51944578), (7, 37103270), (10, 25972289), (14, 18551635), (35, 7420654), (70, 3710327), (139, 1868510), (278, 934255), (695, 373702), (973, 266930), (1390, 186851), (1946, 133465), (4865, 53386), (9730, 26693)]