1991736270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199373}}^1$

素因数の和:199426

約数の個数: 64

約数和(自身を含む): 5454872640

約数和(自身を除く): 3463136370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 199373, 398746, 598119, 996865, 1196238, 1794357, 1993730, 2990595, 3588714, 5383071, 5981190, 7376801, 8971785, 10766142, 14753602, 17943570, 22130403, 26915355, 36884005, 44260806, 53830710, 66391209, 73768010, 110652015, 132782418, 199173627, 221304030, 331956045, 398347254, 663912090, 995868135, 1991736270]

約数ペア:

[(1, 1991736270), (2, 995868135), (3, 663912090), (5, 398347254), (6, 331956045), (9, 221304030), (10, 199173627), (15, 132782418), (18, 110652015), (27, 73768010), (30, 66391209), (37, 53830710), (45, 44260806), (54, 36884005), (74, 26915355), (90, 22130403), (111, 17943570), (135, 14753602), (185, 10766142), (222, 8971785), (270, 7376801), (333, 5981190), (370, 5383071), (555, 3588714), (666, 2990595), (999, 1993730), (1110, 1794357), (1665, 1196238), (1998, 996865), (3330, 598119), (4995, 398746), (9990, 199373)]