56498990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 112907520

約数和(自身を除く): 56408530

約数列:

[1, 2, 5, 10, 17, 34, 43, 59, 85, 86, 118, 131, 170, 215, 262, 295, 430, 590, 655, 731, 1003, 1310, 1462, 2006, 2227, 2537, 3655, 4454, 5015, 5074, 5633, 7310, 7729, 10030, 11135, 11266, 12685, 15458, 22270, 25370, 28165, 38645, 43129, 56330, 77290, 86258, 95761, 131393, 191522, 215645, 262786, 332347, 431290, 478805, 656965, 664694, 957610, 1313930, 1661735, 3323470, 5649899, 11299798, 28249495, 56498990]

約数ペア:

[(1, 56498990), (2, 28249495), (5, 11299798), (10, 5649899), (17, 3323470), (34, 1661735), (43, 1313930), (59, 957610), (85, 664694), (86, 656965), (118, 478805), (131, 431290), (170, 332347), (215, 262786), (262, 215645), (295, 191522), (430, 131393), (590, 95761), (655, 86258), (731, 77290), (1003, 56330), (1310, 43129), (1462, 38645), (2006, 28165), (2227, 25370), (2537, 22270), (3655, 15458), (4454, 12685), (5015, 11266), (5074, 11135), (5633, 10030), (7310, 7729)]