209729340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68539}}^1$

素因数の和:68571

約数の個数: 72

約数和(自身を含む): 673611120

約数和(自身を除く): 463881780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 68539, 137078, 205617, 274156, 342695, 411234, 616851, 685390, 822468, 1028085, 1165163, 1233702, 1370780, 2056170, 2330326, 2467404, 3084255, 3495489, 4112340, 4660652, 5825815, 6168510, 6990978, 10486467, 11651630, 12337020, 13981956, 17477445, 20972934, 23303260, 34954890, 41945868, 52432335, 69909780, 104864670, 209729340]

約数ペア:

[(1, 209729340), (2, 104864670), (3, 69909780), (4, 52432335), (5, 41945868), (6, 34954890), (9, 23303260), (10, 20972934), (12, 17477445), (15, 13981956), (17, 12337020), (18, 11651630), (20, 10486467), (30, 6990978), (34, 6168510), (36, 5825815), (45, 4660652), (51, 4112340), (60, 3495489), (68, 3084255), (85, 2467404), (90, 2330326), (102, 2056170), (153, 1370780), (170, 1233702), (180, 1165163), (204, 1028085), (255, 822468), (306, 685390), (340, 616851), (510, 411234), (612, 342695), (765, 274156), (1020, 205617), (1530, 137078), (3060, 68539)]