725205890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{80489}}^1$

素因数の和:80566

約数の個数: 32

約数和(自身を含む): 1408253040

約数和(自身を除く): 683047150

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 4505, 9010, 80489, 160978, 402445, 804890, 1368313, 2736626, 4265917, 6841565, 8531834, 13683130, 21329585, 42659170, 72520589, 145041178, 362602945, 725205890]

約数ペア:

[(1, 725205890), (2, 362602945), (5, 145041178), (10, 72520589), (17, 42659170), (34, 21329585), (53, 13683130), (85, 8531834), (106, 6841565), (170, 4265917), (265, 2736626), (530, 1368313), (901, 804890), (1802, 402445), (4505, 160978), (9010, 80489)]