494808860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{38839}}^1$

素因数の和:38875

約数の個数: 72

約数和(自身を含む): 1301761440

約数和(自身を除く): 806952580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 38839, 77678, 155356, 194195, 271873, 388390, 504907, 543746, 776780, 1009814, 1087492, 1359365, 1903111, 2019628, 2524535, 2718730, 3534349, 3806222, 5049070, 5437460, 7068698, 7612444, 9515555, 10098140, 14137396, 17671745, 19031110, 24740443, 35343490, 38062220, 49480886, 70686980, 98961772, 123702215, 247404430, 494808860]

約数ペア:

[(1, 494808860), (2, 247404430), (4, 123702215), (5, 98961772), (7, 70686980), (10, 49480886), (13, 38062220), (14, 35343490), (20, 24740443), (26, 19031110), (28, 17671745), (35, 14137396), (49, 10098140), (52, 9515555), (65, 7612444), (70, 7068698), (91, 5437460), (98, 5049070), (130, 3806222), (140, 3534349), (182, 2718730), (196, 2524535), (245, 2019628), (260, 1903111), (364, 1359365), (455, 1087492), (490, 1009814), (637, 776780), (910, 543746), (980, 504907), (1274, 388390), (1820, 271873), (2548, 194195), (3185, 155356), (6370, 77678), (12740, 38839)]