4200280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2143}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 10998720

約数和(自身を除く): 6798440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2143, 4286, 8572, 10715, 15001, 17144, 21430, 30002, 42860, 60004, 75005, 85720, 105007, 120008, 150010, 210014, 300020, 420028, 525035, 600040, 840056, 1050070, 2100140, 4200280]

約数ペア:

[(1, 4200280), (2, 2100140), (4, 1050070), (5, 840056), (7, 600040), (8, 525035), (10, 420028), (14, 300020), (20, 210014), (28, 150010), (35, 120008), (40, 105007), (49, 85720), (56, 75005), (70, 60004), (98, 42860), (140, 30002), (196, 21430), (245, 17144), (280, 15001), (392, 10715), (490, 8572), (980, 4286), (1960, 2143)]