7550868580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{249533}}^1$

素因数の和:249648

約数の個数: 48

約数和(自身を含む): 16978293360

約数和(自身を除く): 9427424780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 249533, 499066, 998132, 1247665, 2495330, 4242061, 4990660, 8484122, 16968244, 21210305, 22208437, 42420610, 44416874, 84841220, 88833748, 111042185, 222084370, 377543429, 444168740, 755086858, 1510173716, 1887717145, 3775434290, 7550868580]

約数ペア:

[(1, 7550868580), (2, 3775434290), (4, 1887717145), (5, 1510173716), (10, 755086858), (17, 444168740), (20, 377543429), (34, 222084370), (68, 111042185), (85, 88833748), (89, 84841220), (170, 44416874), (178, 42420610), (340, 22208437), (356, 21210305), (445, 16968244), (890, 8484122), (1513, 4990660), (1780, 4242061), (3026, 2495330), (6052, 1247665), (7565, 998132), (15130, 499066), (30260, 249533)]