49980560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 133920000

約数和(自身を除く): 83939440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 599, 745, 1043, 1192, 1198, 1490, 2086, 2384, 2396, 2980, 2995, 4172, 4193, 4792, 5215, 5960, 5990, 8344, 8386, 9584, 10430, 11920, 11980, 16688, 16772, 20860, 20965, 23960, 33544, 41720, 41930, 47920, 67088, 83440, 83860, 89251, 167720, 178502, 335440, 357004, 446255, 624757, 714008, 892510, 1249514, 1428016, 1785020, 2499028, 3123785, 3570040, 4998056, 6247570, 7140080, 9996112, 12495140, 24990280, 49980560]

約数ペア:

[(1, 49980560), (2, 24990280), (4, 12495140), (5, 9996112), (7, 7140080), (8, 6247570), (10, 4998056), (14, 3570040), (16, 3123785), (20, 2499028), (28, 1785020), (35, 1428016), (40, 1249514), (56, 892510), (70, 714008), (80, 624757), (112, 446255), (140, 357004), (149, 335440), (280, 178502), (298, 167720), (560, 89251), (596, 83860), (599, 83440), (745, 67088), (1043, 47920), (1192, 41930), (1198, 41720), (1490, 33544), (2086, 23960), (2384, 20965), (2396, 20860), (2980, 16772), (2995, 16688), (4172, 11980), (4193, 11920), (4792, 10430), (5215, 9584), (5960, 8386), (5990, 8344)]