730219.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 11360160

約数和(自身を除く): 6408980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 139, 260, 274, 278, 548, 556, 685, 695, 1370, 1390, 1781, 1807, 2740, 2780, 3562, 3614, 7124, 7228, 8905, 9035, 17810, 18070, 19043, 35620, 36140, 38086, 76172, 95215, 190430, 247559, 380860, 495118, 990236, 1237795, 2475590, 4951180]

約数ペア:

[(1, 4951180), (2, 2475590), (4, 1237795), (5, 990236), (10, 495118), (13, 380860), (20, 247559), (26, 190430), (52, 95215), (65, 76172), (130, 38086), (137, 36140), (139, 35620), (260, 19043), (274, 18070), (278, 17810), (548, 9035), (556, 8905), (685, 7228), (695, 7124), (1370, 3614), (1390, 3562), (1781, 2780), (1807, 2740)]